cc2a9b28043860ba94563f7b8c47d751 *db1997-09-27d1t01.shn 016f4fcba19a38ff27946897b8d2506b *db1997-09-27d1t02.shn f85801ea002dafe5c62a720175692e35 *db1997-09-27d1t03.shn a5613b9356c3a24f62b7ca3d0b286b2e *db1997-09-27d1t04.shn 7fb199edd68901f2476730023faa9f2c *db1997-09-27d1t05.shn 5b0d1f915afdf5f8f21f0a6f1845197b *db1997-09-27d1t06.shn 4e34aa9aec603ce112d0cc41ca41b6a3 *db1997-09-27d1t07.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned