mmw1998-07-18t01.flac:608ef20d8b944e997e2a0044ffe48f7d mmw1998-07-18t02.flac:ccd77efab412bc0f204e09962d1d6ab5 mmw1998-07-18t03.flac:699cfda499cf601117df3fa10c7a950a mmw1998-07-18t04.flac:7c0878d51615a9017dcfd98682fc7de1 mmw1998-07-18t05.flac:1d1f3609f69d98d701874882450567d6 App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned