eits2013-10-05t01.flac:032ec97620df012ae1641f3dd0d0ac3e eits2013-10-05t02.flac:6c5f18347b7cf9ce0a3ccf60ba218ed4 eits2013-10-05t03.flac:0583abb51c3fa69ca774ac2ec64cb355 eits2013-10-05t04.flac:015a4ea3523c2d5241a59275c7b54e5c eits2013-10-05t05.flac:afad36f636be62c2de130b7b859a7c4c App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned