gkm2012-05-19d1t01.flac:b611a343d83640da5703cd07c64931a6 gkm2012-05-19d1t02.flac:7e1582fb3ada8e3120ec1286770cd894 gkm2012-05-19d1t03.flac:44d6945f5a0535cc6ee2520838cdfac3 gkm2012-05-19d1t04.flac:f31d3d46c4de7c75b33a52007740be55 gkm2012-05-19d1t05.flac:dd75acc3ce0476d1d08add60ad163aeb gkm2012-05-19d1t06.flac:691942fbb3bc0125909c135925d16871 gkm2012-05-19d1t07.flac:372ea34561dfa843b3c353da29bfa34f gkm2012-05-19d1t08.flac:ab4e56c8ab7429eac7cd4e1fe4e019c0 gkm2012-05-19d1t09.flac:46c408c55fb12bc46b1fb7d4a96d843d App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned