folder name RYLAuthServer > find latest log files > open log file > search checksum > copy client: 0x????????? checksum > open demonsetup > paste new checksum > restart server and it should be working
I'm sure there is no error log
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[Ty-DET][Tm-2020/04/04 01:18:06][Ex-중계 서버 로그인 Server : 127.0.0.1, DB : winner1, Account : sa, Password : xxxxxxxxx][Rt-CDBObject::CDBObject][FN-D:\작업\릴\백업\v.426, v.120] 정섭, 배섭 (리저렉션 버그 수정)\Server\RylDBProject\RylGameLibrary\DB\DBObject.cpp][LN-74]
Is this the reason?
maybe your checksum is out of range .. retry with correct checksum test then retry