Fatal error: Uncaught Error: Class "App\Assets\AbstractMultiPatternCustomAsset" not found in /var/www/html/sitefelicien/azuracast/backend/src/Assets/AlbumArtCustomAsset.php:12 Stack trace: #0 {main} thrown in /var/www/html/sitefelicien/azuracast/backend/src/Assets/AlbumArtCustomAsset.php on line 12