Bam_10.2503.track01.flac:00000000000000000000000000000000 Bam_10.2503.track02.flac:00000000000000000000000000000000 Bam_10.2503.track03.flac:00000000000000000000000000000000 Bam_10.2503.track04.flac:00000000000000000000000000000000 Bam_10.2503.track05.flac:00000000000000000000000000000000 Bam_10.2503.track06.flac:00000000000000000000000000000000 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned