e1133dccab068fa442b8357eea107908 *ev+mm1997-06-08t01.shn 24ae5c6ffd85a37d9d19a50f95b8dd48 *ev+mm1997-06-08t02.shn 564a0bfd538bfa9a812bba1454ca1301 *ev+mm1997-06-08t03.shn c8cd4e44eab65ee1a9c8d2ecca92fb71 *ev+mm1997-06-08t04.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned