GS2017-01-20d1t1.flac:1797690249b57140b423f6abe458f85d GS2017-01-20d1t2.flac:172e5a0f7a1549ec90490da7de6293c7 GS2017-01-20d1t3.flac:bc122cb3172f5a0f2c2994182225c9df GS2017-01-20d1t4.flac:0ae3464ad83d04b83b992fa7d84faaa3 GS2017-01-20d1t5.flac:2aa0aad5feec421536e8acdd27a73b57 GS2017-01-20d1t6.flac:1a642f49349f21e8cf7386f6ff0bf606 App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned