smk2003-12-19d2t01.flac:28d3d5cb53392bfdb355175073f18972 smk2003-12-19d2t02.flac:d0c73bb20ccea309d0c22c72790fbab2 smk2003-12-19d2t03.flac:6cbdfd28d0f67e27f58f3f9956ad5167 smk2003-12-19d2t04.flac:c573670b1843ce7ae5bac1475b818c04 smk2003-12-19d2t05.flac:6c052542c6c1d8b43bd23607bde6f0ca App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned