alc2013-08-31t01.flac:e0aac7f77b8334d2ab0ae8cf11045f19 alc2013-08-31t02.flac:4626cb86a4fe381ac46bcb4a92c197cf alc2013-08-31t03.flac:7c0041809d168a9062f8ddddba3d93d0 alc2013-08-31t04.flac:e0f2365fc57adbc0809c66c5b868a4f3 alc2013-08-31t05.flac:54e8bdd9786d02f7529f95d4fa16c253 alc2013-08-31t06.flac:ff419cadbc07ecc7767f676ccaf22723 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned