531a56b3ee5d87e54a58c12412ac5ca7 *mmw1995-09-17d2t01.wav.shn 476cfadda63a9067ef507cf8c2e94da7 *mmw1995-09-17d2t02.wav.shn 2693a87179644294de705bef1e10b4fd *mmw1995-09-17d2t03.wav.shn 41cf1cc68ef6b1ffb957486fa4d0c1b7 *mmw1995-09-17d2t04.wav.shn c84fbc1e7aa8d66d1364087b4cc276d3 *mmw1995-09-17d2t05.wav.shn 9a3a10b321789d7fd2bf8b47c6b42062 *mmw1995-09-17d2t06.wav.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned