am2013-05-17d01t01.flac:f04d08bc2e08185609675d7a93e0827c am2013-05-17d01t02.flac:7d4fd281db780c1299f8766f44afa521 am2013-05-17d01t03.flac:f45c3687045dedce999c33f2b9a60f0f am2013-05-17d01t04.flac:f92c3ac66f9633d4ab5f5d22063f4ae6 am2013-05-17d01t05.flac:797c949a9ba382ae3a2c02455482c504 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned