01-TheGoodLife.flac:78fd55cff86ddc6720d8df4a22d251c6 03----.flac:dc5c77eaf9d47ee592439ac304425481 04----.flac:6497c7c04a07133dd6e5ebc905ce552d App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned