diff --git a/src/Entity/Analytics.php b/src/Entity/Analytics.php
index ea0649197..dfca7d936 100644
--- a/src/Entity/Analytics.php
+++ b/src/Entity/Analytics.php
@@ -31,11 +31,11 @@ class Analytics
     public const INTERVAL_DAILY = 'day';
     public const INTERVAL_HOURLY = 'hour';
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $station_id = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?Station $station = null;
 
     #[ORM\Column(length: 15)]
@@ -53,7 +53,7 @@ class Analytics
     #[ORM\Column(type: 'decimal', precision: 10, scale: 2)]
     protected string $number_avg;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $number_unique = null;
 
     public function __construct(
diff --git a/src/Entity/ApiKey.php b/src/Entity/ApiKey.php
index e623206f0..506f0a82f 100644
--- a/src/Entity/ApiKey.php
+++ b/src/Entity/ApiKey.php
@@ -20,10 +20,10 @@ class ApiKey implements JsonSerializable, Stringable
     use Traits\TruncateStrings;
 
     #[ORM\ManyToOne(targetEntity: User::class, fetch: 'EAGER', inversedBy: 'api_keys')]
-    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected User $user;
 
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $comment = null;
 
     public function __construct(User $user, SplitToken $token)
diff --git a/src/Entity/AuditLog.php b/src/Entity/AuditLog.php
index 44bd29e77..e82fa56a0 100644
--- a/src/Entity/AuditLog.php
+++ b/src/Entity/AuditLog.php
@@ -34,16 +34,16 @@ class AuditLog
     #[ORM\Column(length: 255)]
     protected string $identifier;
 
-    #[ORM\Column(name: 'target_class', length: 255)]
+    #[ORM\Column(name: 'target_class', length: 255, nullable: true)]
     protected ?string $targetClass;
 
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $target;
 
     #[ORM\Column(type: 'array')]
     protected array $changes;
 
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $user;
 
     public function __construct(
diff --git a/src/Entity/CustomField.php b/src/Entity/CustomField.php
index e2f274147..10c5a0d06 100644
--- a/src/Entity/CustomField.php
+++ b/src/Entity/CustomField.php
@@ -25,11 +25,11 @@ class CustomField implements \Stringable
     protected string $name;
 
     /** @OA\Property(description="The programmatic name for the field. Can be auto-generated from the full name.") */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $short_name = null;
 
     /** @OA\Property(description="An ID3v2 field to automatically assign to this value, if it exists in the media file.") */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $auto_assign = null;
 
     public function getName(): string
diff --git a/src/Entity/Listener.php b/src/Entity/Listener.php
index 4c7e89eb2..66c219280 100644
--- a/src/Entity/Listener.php
+++ b/src/Entity/Listener.php
@@ -17,25 +17,25 @@ class Listener
     use Traits\HasAutoIncrementId;
     use Traits\TruncateStrings;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $station_id;
 
     #[ORM\ManyToOne(inversedBy: 'history')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $mount_id = null;
 
     #[ORM\ManyToOne(targetEntity: StationMount::class)]
-    #[ORM\JoinColumn(name: 'mount_id', referencedColumnName: 'id', onDelete: 'SET NULL')]
+    #[ORM\JoinColumn(name: 'mount_id', referencedColumnName: 'id', nullable: true, onDelete: 'SET NULL')]
     protected ?StationMount $mount = null;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $remote_id = null;
 
     #[ORM\ManyToOne(targetEntity: StationRemote::class)]
-    #[ORM\JoinColumn(name: 'remote_id', referencedColumnName: 'id', onDelete: 'SET NULL')]
+    #[ORM\JoinColumn(name: 'remote_id', referencedColumnName: 'id', nullable: true, onDelete: 'SET NULL')]
     protected ?StationRemote $remote = null;
 
     #[ORM\Column]
diff --git a/src/Entity/MessengerMessage.php b/src/Entity/MessengerMessage.php
index 6dcbada1a..be873d0d8 100644
--- a/src/Entity/MessengerMessage.php
+++ b/src/Entity/MessengerMessage.php
@@ -37,6 +37,6 @@ class MessengerMessage
     #[ORM\Column(name: 'available_at')]
     protected DateTime $availableAt;
 
-    #[ORM\Column(name: 'delivered_at')]
+    #[ORM\Column(name: 'delivered_at', nullable: true)]
     protected ?DateTime $deliveredAt = null;
 }
diff --git a/src/Entity/Podcast.php b/src/Entity/Podcast.php
index 7c2661f75..28adcc220 100644
--- a/src/Entity/Podcast.php
+++ b/src/Entity/Podcast.php
@@ -23,14 +23,14 @@ class Podcast
     public const DIR_PODCAST_ARTWORK = '.podcast_art';
 
     #[ORM\ManyToOne(targetEntity: StorageLocation::class)]
-    #[ORM\JoinColumn(name: 'storage_location_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'storage_location_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StorageLocation $storage_location;
 
     #[ORM\Column(length: 255)]
     #[Assert\NotBlank]
     protected string $title;
 
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $link = null;
 
     #[ORM\Column(type: 'text')]
diff --git a/src/Entity/PodcastCategory.php b/src/Entity/PodcastCategory.php
index ecce85414..b2846aae9 100644
--- a/src/Entity/PodcastCategory.php
+++ b/src/Entity/PodcastCategory.php
@@ -20,7 +20,7 @@ class PodcastCategory
     public const CATEGORY_SEPARATOR = '|';
 
     #[ORM\ManyToOne(inversedBy: 'categories')]
-    #[ORM\JoinColumn(name: 'podcast_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'podcast_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Podcast $podcast;
 
     #[ORM\Column(length: 255)]
diff --git a/src/Entity/PodcastEpisode.php b/src/Entity/PodcastEpisode.php
index 1e2cafdcd..4ebf011a5 100644
--- a/src/Entity/PodcastEpisode.php
+++ b/src/Entity/PodcastEpisode.php
@@ -22,7 +22,7 @@ class PodcastEpisode
     public const DIR_PODCAST_EPISODE_ARTWORK = '.podcast_episode_art';
 
     #[ORM\ManyToOne(inversedBy: 'episodes')]
-    #[ORM\JoinColumn(name: 'podcast_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'podcast_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Podcast $podcast;
 
     #[ORM\OneToOne(mappedBy: 'episode')]
@@ -32,14 +32,14 @@ class PodcastEpisode
     #[Assert\NotBlank]
     protected string $title;
 
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $link = null;
 
     #[ORM\Column(type: 'text')]
     #[Assert\NotBlank]
     protected string $description;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $publish_at = null;
 
     #[ORM\Column]
diff --git a/src/Entity/PodcastMedia.php b/src/Entity/PodcastMedia.php
index c1dc03e23..a2b12f56b 100644
--- a/src/Entity/PodcastMedia.php
+++ b/src/Entity/PodcastMedia.php
@@ -20,11 +20,11 @@ class PodcastMedia
     use Traits\TruncateStrings;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'storage_location_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'storage_location_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StorageLocation $storage_location;
 
     #[ORM\OneToOne(inversedBy: 'media')]
-    #[ORM\JoinColumn(name: 'episode_id', referencedColumnName: 'id', onDelete: 'SET NULL')]
+    #[ORM\JoinColumn(name: 'episode_id', referencedColumnName: 'id', nullable: true, onDelete: 'SET NULL')]
     protected ?PodcastEpisode $episode;
 
     #[ORM\Column(length: 200)]
diff --git a/src/Entity/Relay.php b/src/Entity/Relay.php
index 21ab84e48..4df566945 100644
--- a/src/Entity/Relay.php
+++ b/src/Entity/Relay.php
@@ -25,7 +25,7 @@ class Relay
     protected string $base_url;
 
     /** @OA\Property(example="Relay") */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $name = 'Relay';
 
     /** @OA\Property(example=true) */
diff --git a/src/Entity/RolePermission.php b/src/Entity/RolePermission.php
index 17afe6b7e..d46e99fa8 100644
--- a/src/Entity/RolePermission.php
+++ b/src/Entity/RolePermission.php
@@ -20,17 +20,17 @@ class RolePermission implements JsonSerializable
     protected int $role_id;
 
     #[ORM\ManyToOne(inversedBy: 'permissions')]
-    #[ORM\JoinColumn(name: 'role_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'role_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Role $role;
 
     #[ORM\Column(length: 50)]
     protected string $action_name;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $station_id = null;
 
     #[ORM\ManyToOne(inversedBy: 'permissions')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?Station $station = null;
 
     public function __construct(Role $role, Station $station = null, $action_name = null)
diff --git a/src/Entity/Settings.php b/src/Entity/Settings.php
index 552ce6374..db573f782 100644
--- a/src/Entity/Settings.php
+++ b/src/Entity/Settings.php
@@ -37,7 +37,7 @@ class Settings implements Stringable
      *     example="https://your.azuracast.site"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $base_url = '';
 
     public function getBaseUrl(): ?string
@@ -56,7 +56,7 @@ class Settings implements Stringable
      *     example="My AzuraCast Instance"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $instance_name = null;
 
     public function getInstanceName(): ?string
@@ -151,7 +151,7 @@ class Settings implements Stringable
      *     example="*"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $api_access_control = '';
 
     public function getApiAccessControl(): string
@@ -188,7 +188,7 @@ class Settings implements Stringable
      *     description="Listener Analytics Collection"
      * )
      */
-    #[ORM\Column(length: 50)]
+    #[ORM\Column(length: 50, nullable: true)]
     #[Assert\Choice([Analytics::LEVEL_NONE, Analytics::LEVEL_NO_IP, Analytics::LEVEL_ALL])]
     protected ?string $analytics = Analytics::LEVEL_ALL;
 
@@ -276,7 +276,7 @@ class Settings implements Stringable
      *     example="light"
      * )
      */
-    #[ORM\Column(length: 50)]
+    #[ORM\Column(length: 50, nullable: true)]
     #[Assert\Choice([Customization::THEME_BROWSER, Customization::THEME_LIGHT, Customization::THEME_DARK])]
     protected ?string $public_theme = Customization::DEFAULT_THEME;
 
@@ -315,7 +315,7 @@ class Settings implements Stringable
      *     example="https://example.com/"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $homepage_redirect_url = null;
 
     public function getHomepageRedirectUrl(): ?string
@@ -334,7 +334,7 @@ class Settings implements Stringable
      *     example="https://example.com/image.jpg"
      * )
      */
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?string $default_album_art_url = null;
 
     public function getDefaultAlbumArtUrl(): ?string
@@ -391,7 +391,7 @@ class Settings implements Stringable
      *     example="SAMPLE-API-KEY"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $last_fm_api_key = null;
 
     public function getLastFmApiKey(): ?string
@@ -432,7 +432,7 @@ class Settings implements Stringable
      *     example=""
      * )
      */
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     protected ?string $public_custom_css = null;
 
     public function getPublicCustomCss(): ?string
@@ -451,7 +451,7 @@ class Settings implements Stringable
      *     example=""
      * )
      */
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     protected ?string $public_custom_js = null;
 
     public function getPublicCustomJs(): ?string
@@ -470,7 +470,7 @@ class Settings implements Stringable
      *     example=""
      * )
      */
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     protected ?string $internal_custom_css = null;
 
     public function getInternalCustomCss(): ?string
@@ -508,7 +508,7 @@ class Settings implements Stringable
      *     example=400
      * )
      */
-    #[ORM\Column(length: 4)]
+    #[ORM\Column(length: 4, nullable: true)]
     protected ?string $backup_time_code = null;
 
     public function getBackupTimeCode(): ?string
@@ -565,7 +565,7 @@ class Settings implements Stringable
      *     example=1
      * )
      */
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $backup_storage_location = null;
 
     public function getBackupStorageLocation(): ?int
@@ -609,7 +609,7 @@ class Settings implements Stringable
      *     example=""
      * )
      */
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?string $backup_last_result = null;
 
@@ -629,7 +629,7 @@ class Settings implements Stringable
      *     example=""
      * )
      */
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?string $backup_last_output = null;
 
@@ -679,7 +679,7 @@ class Settings implements Stringable
      * )
      * @var mixed[]|null
      */
-    #[ORM\Column(type: 'json')]
+    #[ORM\Column(type: 'json', nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?array $nowplaying = null;
 
@@ -815,7 +815,7 @@ class Settings implements Stringable
      *     example="192.168.1.1"
      * )
      */
-    #[ORM\Column(length: 45)]
+    #[ORM\Column(length: 45, nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?string $external_ip = null;
 
@@ -835,7 +835,7 @@ class Settings implements Stringable
      *     example=""
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $geolite_license_key = null;
 
     public function getGeoliteLicenseKey(): ?string
@@ -919,7 +919,7 @@ class Settings implements Stringable
      *     example="AzuraCast"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $mail_sender_name = '';
 
     public function getMailSenderName(): string
@@ -938,7 +938,7 @@ class Settings implements Stringable
      *     example="example@example.com"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $mail_sender_email = '';
 
     public function getMailSenderEmail(): string
@@ -957,7 +957,7 @@ class Settings implements Stringable
      *     example="smtp.example.com"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $mail_smtp_host = '';
 
     public function getMailSmtpHost(): string
@@ -995,7 +995,7 @@ class Settings implements Stringable
      *     example="username"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $mail_smtp_username = '';
 
     public function getMailSmtpUsername(): string
@@ -1014,7 +1014,7 @@ class Settings implements Stringable
      *     example="password"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $mail_smtp_password = '';
 
     public function getMailSmtpPassword(): string
@@ -1052,7 +1052,7 @@ class Settings implements Stringable
      *     example="libravatar"
      * )
      */
-    #[ORM\Column(length: 25)]
+    #[ORM\Column(length: 25, nullable: true)]
     protected ?string $avatar_service = null;
 
     public function getAvatarService(): string
@@ -1071,7 +1071,7 @@ class Settings implements Stringable
      *     example=""
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $avatar_default_url = null;
 
     public function getAvatarDefaultUrl(): string
diff --git a/src/Entity/SftpUser.php b/src/Entity/SftpUser.php
index 12aaf36fa..ebed1bdc7 100644
--- a/src/Entity/SftpUser.php
+++ b/src/Entity/SftpUser.php
@@ -20,7 +20,7 @@ class SftpUser
     use Traits\HasAutoIncrementId;
 
     #[ORM\ManyToOne(inversedBy: 'sftp_users')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
     #[ORM\Column(length: 32)]
@@ -33,7 +33,7 @@ class SftpUser
     #[Assert\NotBlank]
     protected string $password;
 
-    #[ORM\Column(name: 'public_keys', type: 'text')]
+    #[ORM\Column(name: 'public_keys', type: 'text', nullable: true)]
     protected ?string $publicKeys = null;
 
     public function __construct(Station $station)
diff --git a/src/Entity/SongHistory.php b/src/Entity/SongHistory.php
index 1c74d086d..e069f5a36 100644
--- a/src/Entity/SongHistory.php
+++ b/src/Entity/SongHistory.php
@@ -22,57 +22,57 @@ class SongHistory implements SongInterface
     /** @var int */
     public const DEFAULT_DAYS_TO_KEEP = 60;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $station_id;
 
     #[ORM\ManyToOne(inversedBy: 'history')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $playlist_id = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'playlist_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'playlist_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?StationPlaylist $playlist = null;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $streamer_id = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'streamer_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'streamer_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?StationStreamer $streamer = null;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $media_id = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'media_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'media_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?StationMedia $media = null;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $request_id = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'request_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'request_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?StationRequest $request = null;
 
     #[ORM\Column]
     protected int $timestamp_start = 0;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $duration = null;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $listeners_start = null;
 
     #[ORM\Column]
     protected int $timestamp_end = 0;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $listeners_end = 0;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $unique_listeners = 0;
 
     #[ORM\Column]
diff --git a/src/Entity/Station.php b/src/Entity/Station.php
index 67519614e..1a0f464bd 100644
--- a/src/Entity/Station.php
+++ b/src/Entity/Station.php
@@ -48,7 +48,7 @@ class Station implements Stringable
      *     example="AzuraTest Radio"
      * )
      */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     #[Assert\NotBlank]
     protected ?string $name = null;
 
@@ -58,7 +58,7 @@ class Station implements Stringable
      *     example="azuratest_radio"
      * )
      */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     #[Assert\NotBlank]
     protected ?string $short_name = null;
 
@@ -77,7 +77,7 @@ class Station implements Stringable
      *     example="icecast"
      * )
      */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     #[Assert\Choice(choices: [Adapters::FRONTEND_ICECAST, Adapters::FRONTEND_REMOTE, Adapters::FRONTEND_SHOUTCAST])]
     protected ?string $frontend_type = Adapters::FRONTEND_ICECAST;
 
@@ -97,7 +97,7 @@ class Station implements Stringable
      *     example="liquidsoap"
      * )
      */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     #[Assert\Choice(choices: [Adapters::BACKEND_LIQUIDSOAP, Adapters::BACKEND_NONE])]
     protected ?string $backend_type = Adapters::BACKEND_LIQUIDSOAP;
 
@@ -111,39 +111,39 @@ class Station implements Stringable
     #[ORM\Column(type: 'json', nullable: true)]
     protected ?array $backend_config = null;
 
-    #[ORM\Column(length: 150)]
+    #[ORM\Column(length: 150, nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?string $adapter_api_key = null;
 
     /** @OA\Property(example="A sample radio station.") */
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     protected ?string $description = null;
 
     /** @OA\Property(example="https://demo.azuracast.com/") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $url = null;
 
     /** @OA\Property(example="Various") */
-    #[ORM\Column(length: 150)]
+    #[ORM\Column(length: 150, nullable: true)]
     protected ?string $genre = null;
 
     /** @OA\Property(example="/var/azuracast/stations/azuratest_radio") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $radio_base_dir = null;
 
     #[ORM\Column(type: 'array', nullable: true)]
     #[Attributes\AuditIgnore]
     protected mixed $nowplaying;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?int $nowplaying_timestamp = null;
 
     /** @OA\Property(type="array", @OA\Items()) */
-    #[ORM\Column(type: 'json')]
+    #[ORM\Column(type: 'json', nullable: true)]
     protected ?array $automation_settings = null;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?int $automation_timestamp = 0;
 
@@ -157,15 +157,15 @@ class Station implements Stringable
     protected bool $enable_requests = false;
 
     /** @OA\Property(example=5) */
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $request_delay = self::DEFAULT_REQUEST_DELAY;
 
     /** @OA\Property(example=15) */
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $request_threshold = self::DEFAULT_REQUEST_THRESHOLD;
 
     /** @OA\Property(example=0) */
-    #[ORM\Column(options: ['default' => 0])]
+    #[ORM\Column(nullable: true, options: ['default' => 0])]
     protected ?int $disconnect_deactivate_streamer = self::DEFAULT_DISCONNECT_DEACTIVATE_STREAMER;
 
     /**
@@ -237,7 +237,7 @@ class Station implements Stringable
      *     example="UTC"
      * )
      */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $timezone = 'UTC';
 
     /**
@@ -246,7 +246,7 @@ class Station implements Stringable
      *     example="https://example.com/image.jpg"
      * )
      */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $default_album_art_url = null;
 
     #[ORM\OneToMany(mappedBy: 'station', targetEntity: SongHistory::class)]
@@ -254,19 +254,34 @@ class Station implements Stringable
     protected Collection $history;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'media_storage_location_id', referencedColumnName: 'id', onDelete: 'SET NULL')]
+    #[ORM\JoinColumn(
+        name: 'media_storage_location_id',
+        referencedColumnName: 'id',
+        nullable: true,
+        onDelete: 'SET NULL'
+    )]
     #[DeepNormalize(true)]
     #[Serializer\MaxDepth(1)]
     protected ?StorageLocation $media_storage_location = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'recordings_storage_location_id', referencedColumnName: 'id', onDelete: 'SET NULL')]
+    #[ORM\JoinColumn(
+        name: 'recordings_storage_location_id',
+        referencedColumnName: 'id',
+        nullable: true,
+        onDelete: 'SET NULL'
+    )]
     #[DeepNormalize(true)]
     #[Serializer\MaxDepth(1)]
     protected ?StorageLocation $recordings_storage_location = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'podcasts_storage_location_id', referencedColumnName: 'id', onDelete: 'SET NULL')]
+    #[ORM\JoinColumn(
+        name: 'podcasts_storage_location_id',
+        referencedColumnName: 'id',
+        nullable: true,
+        onDelete: 'SET NULL'
+    )]
     #[DeepNormalize(true)]
     #[Serializer\MaxDepth(1)]
     protected ?StorageLocation $podcasts_storage_location = null;
@@ -274,11 +289,11 @@ class Station implements Stringable
     #[ORM\OneToMany(mappedBy: 'station', targetEntity: StationStreamer::class)]
     protected Collection $streamers;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $current_streamer_id = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'current_streamer_id', referencedColumnName: 'id', onDelete: 'SET NULL')]
+    #[ORM\JoinColumn(name: 'current_streamer_id', referencedColumnName: 'id', nullable: true, onDelete: 'SET NULL')]
     protected ?StationStreamer $current_streamer = null;
 
     #[ORM\OneToMany(mappedBy: 'station', targetEntity: RolePermission::class)]
diff --git a/src/Entity/StationMedia.php b/src/Entity/StationMedia.php
index e8b23acbe..c0ebe0d4d 100644
--- a/src/Entity/StationMedia.php
+++ b/src/Entity/StationMedia.php
@@ -39,14 +39,14 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example="69b536afc7ebbf16457b8645"
      * )
      */
-    #[ORM\Column(length: 25)]
+    #[ORM\Column(length: 25, nullable: true)]
     protected ?string $unique_id = null;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $storage_location_id;
 
     #[ORM\ManyToOne(inversedBy: 'media')]
-    #[ORM\JoinColumn(name: 'storage_location_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'storage_location_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StorageLocation $storage_location;
 
     /**
@@ -55,7 +55,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example="Test Album"
      * )
      */
-    #[ORM\Column(length: 200)]
+    #[ORM\Column(length: 200, nullable: true)]
     protected ?string $album = null;
 
     /**
@@ -64,7 +64,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example="Rock"
      * )
      */
-    #[ORM\Column(length: 30)]
+    #[ORM\Column(length: 30, nullable: true)]
     protected ?string $genre = null;
 
     /**
@@ -73,7 +73,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example="...Never gonna give you up..."
      * )
      */
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     protected ?string $lyrics = null;
 
     /**
@@ -82,7 +82,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example="GBARL0600786"
      * )
      */
-    #[ORM\Column(length: 15)]
+    #[ORM\Column(length: 15, nullable: true)]
     protected ?string $isrc = null;
 
     /**
@@ -91,7 +91,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example=240.00
      * )
      */
-    #[ORM\Column(type: 'decimal', precision: 7, scale: 2)]
+    #[ORM\Column(type: 'decimal', precision: 7, scale: 2, nullable: true)]
     protected ?float $length = 0.00;
 
     /**
@@ -100,7 +100,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example="4:00"
      * )
      */
-    #[ORM\Column(length: 10)]
+    #[ORM\Column(length: 10, nullable: true)]
     protected ?string $length_text = '0:00';
 
     /**
@@ -118,7 +118,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example=SAMPLE_TIMESTAMP
      * )
      */
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $mtime = 0;
 
     /**
@@ -127,7 +127,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example=-14.00
      * )
      */
-    #[ORM\Column(type: 'decimal', precision: 6, scale: 1)]
+    #[ORM\Column(type: 'decimal', precision: 6, scale: 1, nullable: true)]
     protected ?float $amplify = null;
 
     /**
@@ -136,7 +136,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example=2.00
      * )
      */
-    #[ORM\Column(type: 'decimal', precision: 6, scale: 1)]
+    #[ORM\Column(type: 'decimal', precision: 6, scale: 1, nullable: true)]
     protected ?float $fade_overlap = null;
 
     /**
@@ -145,7 +145,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example=3.00
      * )
      */
-    #[ORM\Column(type: 'decimal', precision: 6, scale: 1)]
+    #[ORM\Column(type: 'decimal', precision: 6, scale: 1, nullable: true)]
     protected ?float $fade_in = null;
 
     /**
@@ -154,7 +154,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example=3.00
      * )
      */
-    #[ORM\Column(type: 'decimal', precision: 6, scale: 1)]
+    #[ORM\Column(type: 'decimal', precision: 6, scale: 1, nullable: true)]
     protected ?float $fade_out = null;
 
     /**
@@ -163,7 +163,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example=30.00
      * )
      */
-    #[ORM\Column(type: 'decimal', precision: 6, scale: 1)]
+    #[ORM\Column(type: 'decimal', precision: 6, scale: 1, nullable: true)]
     protected ?float $cue_in = null;
 
     /**
@@ -172,7 +172,7 @@ class StationMedia implements SongInterface, ProcessableMediaInterface, PathAwar
      *     example=30.00
      * )
      */
-    #[ORM\Column(type: 'decimal', precision: 6, scale: 1)]
+    #[ORM\Column(type: 'decimal', precision: 6, scale: 1, nullable: true)]
     protected ?float $cue_out = null;
 
     /**
diff --git a/src/Entity/StationMediaCustomField.php b/src/Entity/StationMediaCustomField.php
index 921fa80ce..752e1c2c4 100644
--- a/src/Entity/StationMediaCustomField.php
+++ b/src/Entity/StationMediaCustomField.php
@@ -15,21 +15,21 @@ class StationMediaCustomField
     use Traits\HasAutoIncrementId;
     use Traits\TruncateStrings;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $media_id;
 
     #[ORM\ManyToOne(inversedBy: 'metadata')]
-    #[ORM\JoinColumn(name: 'media_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'media_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StationMedia $media;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $field_id;
 
     #[ORM\ManyToOne(inversedBy: 'media_fields')]
-    #[ORM\JoinColumn(name: 'field_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'field_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected CustomField $field;
 
-    #[ORM\Column(name: 'field_value', length: 255)]
+    #[ORM\Column(name: 'field_value', length: 255, nullable: true)]
     protected ?string $value = null;
 
     public function __construct(StationMedia $media, CustomField $field)
diff --git a/src/Entity/StationMount.php b/src/Entity/StationMount.php
index a5ab79d80..17133a3b1 100644
--- a/src/Entity/StationMount.php
+++ b/src/Entity/StationMount.php
@@ -24,11 +24,11 @@ class StationMount implements StationMountInterface, \Stringable
     use Traits\HasAutoIncrementId;
     use Traits\TruncateStrings;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $station_id;
 
     #[ORM\ManyToOne(inversedBy: 'mounts')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
     /** @OA\Property(example="/radio.mp3") */
@@ -37,7 +37,7 @@ class StationMount implements StationMountInterface, \Stringable
     protected string $name = '';
 
     /** @OA\Property(example="128kbps MP3") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $display_name = null;
 
     /** @OA\Property(example=true) */
@@ -53,15 +53,15 @@ class StationMount implements StationMountInterface, \Stringable
     protected bool $is_public = false;
 
     /** @OA\Property(example="/error.mp3") */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $fallback_mount = null;
 
     /** @OA\Property(example="http://radio.example.com:8000/radio.mp3") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $relay_url = null;
 
     /** @OA\Property(example="") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $authhash = null;
 
     /** @OA\Property(example=true) */
@@ -69,19 +69,19 @@ class StationMount implements StationMountInterface, \Stringable
     protected bool $enable_autodj = true;
 
     /** @OA\Property(example="mp3") */
-    #[ORM\Column(length: 10)]
+    #[ORM\Column(length: 10, nullable: true)]
     protected ?string $autodj_format = 'mp3';
 
     /** @OA\Property(example=128) */
-    #[ORM\Column(type: 'smallint')]
+    #[ORM\Column(type: 'smallint', nullable: true)]
     protected ?int $autodj_bitrate = 128;
 
     /** @OA\Property(example="https://custom-listen-url.example.com/stream.mp3") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $custom_listen_url = null;
 
     /** @OA\Property(type="array", @OA\Items()) */
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     protected ?string $frontend_config = null;
 
     /**
diff --git a/src/Entity/StationPlaylist.php b/src/Entity/StationPlaylist.php
index 93b419277..47b411627 100644
--- a/src/Entity/StationPlaylist.php
+++ b/src/Entity/StationPlaylist.php
@@ -50,11 +50,11 @@ class StationPlaylist implements Stringable
     public const OPTION_PLAY_SINGLE_TRACK = 'single_track';
     public const OPTION_MERGE = 'merge';
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $station_id;
 
     #[ORM\ManyToOne(inversedBy: 'playlists')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
     /** @OA\Property(example="Test Playlist") */
@@ -84,11 +84,11 @@ class StationPlaylist implements Stringable
     protected string $order = self::ORDER_SHUFFLE;
 
     /** @OA\Property(example="http://remote-url.example.com/stream.mp3") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $remote_url = null;
 
     /** @OA\Property(example="stream") */
-    #[ORM\Column(length: 25)]
+    #[ORM\Column(length: 25, nullable: true)]
     #[Assert\Choice(choices: [self::REMOTE_TYPE_STREAM, self::REMOTE_TYPE_PLAYLIST])]
     protected ?string $remote_type = self::REMOTE_TYPE_STREAM;
 
@@ -148,7 +148,7 @@ class StationPlaylist implements Stringable
     protected bool $include_in_automation = false;
 
     /** @OA\Property(example="interrupt,loop_once,single_track,merge") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $backend_options = '';
 
     /** @OA\Property(example=true) */
diff --git a/src/Entity/StationPlaylistFolder.php b/src/Entity/StationPlaylistFolder.php
index cca99d001..086ff844a 100644
--- a/src/Entity/StationPlaylistFolder.php
+++ b/src/Entity/StationPlaylistFolder.php
@@ -17,11 +17,11 @@ class StationPlaylistFolder implements PathAwareInterface
     use Traits\TruncateStrings;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
     #[ORM\ManyToOne(fetch: 'EAGER', inversedBy: 'folders')]
-    #[ORM\JoinColumn(name: 'playlist_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'playlist_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StationPlaylist $playlist;
 
     #[ORM\Column(length: 500)]
diff --git a/src/Entity/StationPlaylistMedia.php b/src/Entity/StationPlaylistMedia.php
index 43dc033ba..745cca580 100644
--- a/src/Entity/StationPlaylistMedia.php
+++ b/src/Entity/StationPlaylistMedia.php
@@ -15,18 +15,18 @@ class StationPlaylistMedia implements JsonSerializable
 {
     use Traits\HasAutoIncrementId;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $playlist_id;
 
     #[ORM\ManyToOne(fetch: 'EAGER', inversedBy: 'media_items')]
-    #[ORM\JoinColumn(name: 'playlist_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'playlist_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StationPlaylist $playlist;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $media_id;
 
     #[ORM\ManyToOne(fetch: 'EAGER', inversedBy: 'playlists')]
-    #[ORM\JoinColumn(name: 'media_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'media_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StationMedia $media;
 
     #[ORM\Column]
diff --git a/src/Entity/StationQueue.php b/src/Entity/StationQueue.php
index e7a4e6562..d336fa5d1 100644
--- a/src/Entity/StationQueue.php
+++ b/src/Entity/StationQueue.php
@@ -17,44 +17,44 @@ class StationQueue implements SongInterface
     use Traits\TruncateInts;
     use Traits\HasSongFields;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $station_id;
 
     #[ORM\ManyToOne(inversedBy: 'history')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $playlist_id = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'playlist_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'playlist_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?StationPlaylist $playlist = null;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $media_id = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'media_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'media_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?StationMedia $media = null;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $request_id = null;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'request_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'request_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?StationRequest $request = null;
 
     #[ORM\Column]
     protected bool $sent_to_autodj = false;
 
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $autodj_custom_uri = null;
 
     #[ORM\Column]
     protected int $timestamp_cued;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $duration = null;
 
     #[ORM\Column(type: 'json', nullable: true)]
diff --git a/src/Entity/StationRemote.php b/src/Entity/StationRemote.php
index 660fc3186..03b35eaec 100644
--- a/src/Entity/StationRemote.php
+++ b/src/Entity/StationRemote.php
@@ -28,22 +28,22 @@ class StationRemote implements StationMountInterface, Stringable
     use Traits\HasAutoIncrementId;
     use Traits\TruncateStrings;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $station_id;
 
     #[ORM\ManyToOne(inversedBy: 'remotes')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $relay_id = null;
 
     #[ORM\ManyToOne(inversedBy: 'remotes')]
-    #[ORM\JoinColumn(name: 'relay_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'relay_id', referencedColumnName: 'id', nullable: true, onDelete: 'CASCADE')]
     protected ?Relay $relay = null;
 
     /** @OA\Property(example="128kbps MP3") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $display_name = null;
 
     /** @OA\Property(example=true) */
@@ -60,43 +60,43 @@ class StationRemote implements StationMountInterface, Stringable
     protected bool $enable_autodj = false;
 
     /** @OA\Property(example="mp3") */
-    #[ORM\Column(length: 10)]
+    #[ORM\Column(length: 10, nullable: true)]
     protected ?string $autodj_format = null;
 
     /** @OA\Property(example=128) */
-    #[ORM\Column(type: 'smallint')]
+    #[ORM\Column(type: 'smallint', nullable: true)]
     protected ?int $autodj_bitrate = null;
 
     /** @OA\Property(example="https://custom-listen-url.example.com/stream.mp3") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $custom_listen_url = null;
 
     /** @OA\Property(example="http://custom-url.example.com") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $url = null;
 
     /** @OA\Property(example="/stream.mp3") */
-    #[ORM\Column(length: 150)]
+    #[ORM\Column(length: 150, nullable: true)]
     protected ?string $mount = null;
 
     /** @OA\Property(example="password") */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $admin_password = null;
 
     /** @OA\Property(example=8000) */
-    #[ORM\Column(type: 'smallint', options: ['unsigned' => true])]
+    #[ORM\Column(type: 'smallint', nullable: true, options: ['unsigned' => true])]
     protected ?int $source_port = null;
 
     /** @OA\Property(example="/") */
-    #[ORM\Column(length: 150)]
+    #[ORM\Column(length: 150, nullable: true)]
     protected ?string $source_mount = null;
 
     /** @OA\Property(example="source") */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $source_username = null;
 
     /** @OA\Property(example="password") */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $source_password = null;
 
     /** @OA\Property(example=false) */
diff --git a/src/Entity/StationRequest.php b/src/Entity/StationRequest.php
index 820ab326a..d2b24102c 100644
--- a/src/Entity/StationRequest.php
+++ b/src/Entity/StationRequest.php
@@ -17,18 +17,18 @@ class StationRequest
 {
     use Traits\HasAutoIncrementId;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $station_id;
 
     #[ORM\ManyToOne(inversedBy: 'media')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $track_id;
 
     #[ORM\ManyToOne]
-    #[ORM\JoinColumn(name: 'track_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'track_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StationMedia $track;
 
     #[ORM\Column]
diff --git a/src/Entity/StationSchedule.php b/src/Entity/StationSchedule.php
index 7f3519ab7..ac201980f 100644
--- a/src/Entity/StationSchedule.php
+++ b/src/Entity/StationSchedule.php
@@ -37,10 +37,10 @@ class StationSchedule
     #[ORM\Column(type: 'smallint')]
     protected int $end_time = 0;
 
-    #[ORM\Column(length: 10)]
+    #[ORM\Column(length: 10, nullable: true)]
     protected ?string $start_date = null;
 
-    #[ORM\Column(length: 10)]
+    #[ORM\Column(length: 10, nullable: true)]
     protected ?string $end_date = null;
 
     /**
@@ -49,7 +49,7 @@ class StationSchedule
      *     example="0,1,2,3"
      * )
      */
-    #[ORM\Column(length: 50)]
+    #[ORM\Column(length: 50, nullable: true)]
     protected ?string $days = null;
 
     public function __construct(StationPlaylist|StationStreamer $relation)
diff --git a/src/Entity/StationStreamer.php b/src/Entity/StationStreamer.php
index 946324497..ff4318673 100644
--- a/src/Entity/StationStreamer.php
+++ b/src/Entity/StationStreamer.php
@@ -34,11 +34,11 @@ class StationStreamer implements \Stringable
     use Traits\HasAutoIncrementId;
     use Traits\TruncateStrings;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $station_id;
 
     #[ORM\ManyToOne(inversedBy: 'streamers')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
     /** @OA\Property(example="dj_test") */
@@ -53,11 +53,11 @@ class StationStreamer implements \Stringable
     protected string $streamer_password;
 
     /** @OA\Property(example="Test DJ") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $display_name = null;
 
     /** @OA\Property(example="This is a test DJ account.") */
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     protected ?string $comments = null;
 
     /** @OA\Property(example=true) */
@@ -69,7 +69,7 @@ class StationStreamer implements \Stringable
     protected bool $enforce_schedule = false;
 
     /** @OA\Property(example=SAMPLE_TIMESTAMP) */
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?int $reactivate_at = null;
 
diff --git a/src/Entity/StationStreamerBroadcast.php b/src/Entity/StationStreamerBroadcast.php
index 7e5e27b6c..484569fb9 100644
--- a/src/Entity/StationStreamerBroadcast.php
+++ b/src/Entity/StationStreamerBroadcast.php
@@ -24,11 +24,11 @@ class StationStreamerBroadcast
     use Traits\TruncateStrings;
 
     #[ORM\ManyToOne(inversedBy: 'streamer_broadcasts')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
     #[ORM\ManyToOne(inversedBy: 'broadcasts')]
-    #[ORM\JoinColumn(name: 'streamer_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'streamer_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StationStreamer $streamer;
 
     #[ORM\Column(name: 'timestamp_start')]
@@ -37,7 +37,7 @@ class StationStreamerBroadcast
     #[ORM\Column(name: 'timestamp_end')]
     protected int $timestampEnd = 0;
 
-    #[ORM\Column(name: 'recording_path', length: 255)]
+    #[ORM\Column(name: 'recording_path', length: 255, nullable: true)]
     protected ?string $recordingPath = null;
 
     public function __construct(StationStreamer $streamer)
diff --git a/src/Entity/StationWebhook.php b/src/Entity/StationWebhook.php
index 85b75e6e2..e2c9f86c5 100644
--- a/src/Entity/StationWebhook.php
+++ b/src/Entity/StationWebhook.php
@@ -34,11 +34,11 @@ class StationWebhook implements Stringable
     public const TRIGGER_STATION_OFFLINE = 'station_offline';
     public const TRIGGER_STATION_ONLINE = 'station_online';
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $station_id;
 
     #[ORM\ManyToOne(inversedBy: 'webhooks')]
-    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'station_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected Station $station;
 
     /**
@@ -47,7 +47,7 @@ class StationWebhook implements Stringable
      *     example="Twitter Post"
      * )
      */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $name = null;
 
     /**
diff --git a/src/Entity/StorageLocation.php b/src/Entity/StorageLocation.php
index 09fb26fb5..61afe3d65 100644
--- a/src/Entity/StorageLocation.php
+++ b/src/Entity/StorageLocation.php
@@ -63,37 +63,37 @@ class StorageLocation implements Stringable
     ])]
     protected string $adapter = self::ADAPTER_LOCAL;
 
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     protected ?string $path = null;
 
-    #[ORM\Column(name: 's3_credential_key', length: 255)]
+    #[ORM\Column(name: 's3_credential_key', length: 255, nullable: true)]
     protected ?string $s3CredentialKey = null;
 
-    #[ORM\Column(name: 's3_credential_secret', length: 255)]
+    #[ORM\Column(name: 's3_credential_secret', length: 255, nullable: true)]
     protected ?string $s3CredentialSecret = null;
 
-    #[ORM\Column(name: 's3_region', length: 150)]
+    #[ORM\Column(name: 's3_region', length: 150, nullable: true)]
     protected ?string $s3Region = null;
 
-    #[ORM\Column(name: 's3_version', length: 150)]
+    #[ORM\Column(name: 's3_version', length: 150, nullable: true)]
     protected ?string $s3Version = 'latest';
 
-    #[ORM\Column(name: 's3_bucket', length: 255)]
+    #[ORM\Column(name: 's3_bucket', length: 255, nullable: true)]
     protected ?string $s3Bucket = null;
 
-    #[ORM\Column(name: 's3_endpoint', length: 255)]
+    #[ORM\Column(name: 's3_endpoint', length: 255, nullable: true)]
     protected ?string $s3Endpoint = null;
 
-    #[ORM\Column(name: 'dropbox_auth_token', length: 255)]
+    #[ORM\Column(name: 'dropbox_auth_token', length: 255, nullable: true)]
     protected ?string $dropboxAuthToken = null;
 
-    #[ORM\Column(name: 'storage_quota', type: 'bigint')]
+    #[ORM\Column(name: 'storage_quota', type: 'bigint', nullable: true)]
     protected ?string $storageQuota = null;
 
     // Used for API generation.
     protected ?string $storageQuotaBytes = null;
 
-    #[ORM\Column(name: 'storage_used', type: 'bigint')]
+    #[ORM\Column(name: 'storage_used', type: 'bigint', nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?string $storageUsed = null;
 
diff --git a/src/Entity/Traits/HasAutoIncrementId.php b/src/Entity/Traits/HasAutoIncrementId.php
index 7d9e4cdce..38c4e0d78 100644
--- a/src/Entity/Traits/HasAutoIncrementId.php
+++ b/src/Entity/Traits/HasAutoIncrementId.php
@@ -11,11 +11,12 @@ use OpenApi\Annotations as OA;
 trait HasAutoIncrementId
 {
     /** @OA\Property() */
-    #[ORM\Column, ORM\Id, ORM\GeneratedValue]
-    protected int $id;
+    #[ORM\Column(nullable: false)]
+    #[ORM\Id, ORM\GeneratedValue]
+    protected ?int $id = null;
 
     public function getId(): ?int
     {
-        return $this->id ?? null;
+        return $this->id;
     }
 }
diff --git a/src/Entity/Traits/HasSongFields.php b/src/Entity/Traits/HasSongFields.php
index a89ce7c75..a25a211e2 100644
--- a/src/Entity/Traits/HasSongFields.php
+++ b/src/Entity/Traits/HasSongFields.php
@@ -18,15 +18,15 @@ trait HasSongFields
     protected string $song_id;
 
     /** @OA\Property() */
-    #[ORM\Column(length: 303)]
+    #[ORM\Column(length: 303, nullable: true)]
     protected ?string $text = null;
 
     /** @OA\Property() */
-    #[ORM\Column(length: 150)]
+    #[ORM\Column(length: 150, nullable: true)]
     protected ?string $artist = null;
 
     /** @OA\Property() */
-    #[ORM\Column(length: 150)]
+    #[ORM\Column(length: 150, nullable: true)]
     protected ?string $title = null;
 
     public function setSong(SongInterface $song): void
diff --git a/src/Entity/Traits/HasUniqueId.php b/src/Entity/Traits/HasUniqueId.php
index fe0d2757e..9b19f85f7 100644
--- a/src/Entity/Traits/HasUniqueId.php
+++ b/src/Entity/Traits/HasUniqueId.php
@@ -12,12 +12,12 @@ use OpenApi\Annotations as OA;
 trait HasUniqueId
 {
     /** @OA\Property() */
-    #[ORM\Column(type: 'guid', unique: true)]
+    #[ORM\Column(type: 'guid', unique: true, nullable: false)]
     #[ORM\Id, ORM\GeneratedValue(strategy: 'CUSTOM'), ORM\CustomIdGenerator(UuidV6Generator::class)]
-    protected string $id;
+    protected ?string $id = null;
 
     public function getId(): ?string
     {
-        return $this->id ?? null;
+        return $this->id;
     }
 }
diff --git a/src/Entity/UnprocessableMedia.php b/src/Entity/UnprocessableMedia.php
index 746f16727..b94351748 100644
--- a/src/Entity/UnprocessableMedia.php
+++ b/src/Entity/UnprocessableMedia.php
@@ -19,20 +19,20 @@ class UnprocessableMedia implements ProcessableMediaInterface, PathAwareInterfac
 
     public const REPROCESS_THRESHOLD_MINIMUM = 604800; // One week
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: false)]
     protected int $storage_location_id;
 
     #[ORM\ManyToOne(inversedBy: 'media')]
-    #[ORM\JoinColumn(name: 'storage_location_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'storage_location_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected StorageLocation $storage_location;
 
     #[ORM\Column(length: 500)]
     protected string $path;
 
-    #[ORM\Column]
+    #[ORM\Column(nullable: true)]
     protected ?int $mtime = 0;
 
-    #[ORM\Column(type: 'text')]
+    #[ORM\Column(type: 'text', nullable: true)]
     protected ?string $error = null;
 
     public function __construct(StorageLocation $storageLocation, string $path)
diff --git a/src/Entity/User.php b/src/Entity/User.php
index 969acbfe6..6ff7d14ad 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -34,12 +34,12 @@ class User implements Stringable
     use Traits\TruncateStrings;
 
     /** @OA\Property(example="demo@azuracast.com") */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     #[Assert\NotBlank]
     #[Assert\Email]
     protected ?string $email = null;
 
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?string $auth_password = null;
 
@@ -47,20 +47,20 @@ class User implements Stringable
     protected ?string $new_password = null;
 
     /** @OA\Property(example="Demo Account") */
-    #[ORM\Column(length: 100)]
+    #[ORM\Column(length: 100, nullable: true)]
     protected ?string $name = null;
 
     /** @OA\Property(example="en_US") */
-    #[ORM\Column(length: 25)]
+    #[ORM\Column(length: 25, nullable: true)]
     protected ?string $locale = null;
 
     /** @OA\Property(example="dark") */
-    #[ORM\Column(length: 25)]
+    #[ORM\Column(length: 25, nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?string $theme = null;
 
     /** @OA\Property(example="A1B2C3D4") */
-    #[ORM\Column(length: 255)]
+    #[ORM\Column(length: 255, nullable: true)]
     #[Attributes\AuditIgnore]
     protected ?string $two_factor_secret = null;
 
diff --git a/src/Entity/UserLoginToken.php b/src/Entity/UserLoginToken.php
index b7e50caf8..d44a19f41 100644
--- a/src/Entity/UserLoginToken.php
+++ b/src/Entity/UserLoginToken.php
@@ -16,7 +16,7 @@ class UserLoginToken
     use Traits\HasSplitTokenFields;
 
     #[ORM\ManyToOne(fetch: 'EAGER', inversedBy: 'api_keys')]
-    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id', onDelete: 'CASCADE')]
+    #[ORM\JoinColumn(name: 'user_id', referencedColumnName: 'id', nullable: false, onDelete: 'CASCADE')]
     protected User $user;
 
     #[ORM\Column]