batk2015-08-01s01t01.flac:430d7fae28744d37e7329f15a9cd3c3b batk2015-08-01s01t02.flac:a20729dae4cee92b2b28eb2508770ecc batk2015-08-01s01t03.flac:e13db5b4e0a9fa3a667ac6005bee83c3 batk2015-08-01s01t04.flac:f91ca1ea06b56795b39a805820aa119c batk2015-08-01s01t05.flac:f50b0ca002bf9a041de14d452a2f2aa5 batk2015-08-01s01t06.flac:803291060c7ff196393153d3d5de4563 batk2015-08-01s01t07.flac:238001613d715ad188c19b12abf5e1dd batk2015-08-01s01t08.flac:ccf0b7a9d24fde3186aec5aa4cf29943 batk2015-08-01s01t09.flac:1d1f008039b4282d0bde1be105460743 batk2015-08-01s01t10.flac:4a0196d65a3d9f2713f649ba15efc76a batk2015-08-01s01t11.flac:f3dec14e11c7273ce45d0635ffc3c56c App\Http\Controllers\Api\FileDownloadController::download(): Return value must be of type string, none returned