swb2011-04-06-t01.flac:fa799e0ef659ad46d0fedf4f1907cb09 swb2011-04-06-t02.flac:75cfc375ee56efb6904de618f57e4328 swb2011-04-06-t03.flac:6597a6726f8969f469280ce9972cb06d swb2011-04-06-t04.flac:fa7fc062135f58525d178de02b620595 swb2011-04-06-t05.flac:5db5722d3d1f0dc6c431bb80a308fd0b swb2011-04-06-t06.flac:2285dfd13bb9aa5c92e51df8d0e5c8f7 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned