gm1996-11-22.sbd.muletaper.16.44.1t01.flac:541f90a76b8dd4ba8a99116a26353f0b gm1996-11-22.sbd.muletaper.16.44.1t02.flac:c4a13cefe7283e77d5408dada2dcaa4c gm1996-11-22.sbd.muletaper.16.44.1t03.flac:1c4c8f71b547de8cc9a4486d6826a0a0 App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned