cats2018-04-07t01.flac:7c619eb4f36cc055febdc1381bbe8f9c cats2018-04-07t02.flac:c94f7aed332267189294a862c7390f03 cats2018-04-07t03.flac:d4ec6d217f61b6d5df68755ed79c3585 cats2018-04-07t04.flac:0e3cf8071a2f8a7b3e8f658526bfeab3 cats2018-04-07t05.flac:1197f75f0e441e4e22f62e50c8d823f0 cats2018-04-07t06.flac:377987f18bc1ca3fe7281a267056a6d5 cats2018-04-07t07.flac:28570f60897f48bc92ef96e1e2c2dd47 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned