apb2012-06-23t01.flac:57cda8ef97e4f1a36d0cdc4950397e08 apb2012-06-23t02.flac:837a6420c7d35d7ab656c8d12b76477b apb2012-06-23t03.flac:635c6045eaeb44b7e510f56e66ebb14d apb2012-06-23t04.flac:7e3145b08c3854ed12b384c1e0f0434e App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned