Hi
as i wrote you privately, this could be pc/vps memory SSD/HDD issue that rollbacks and restores the data cuz of no space, other than that it could be that u edited ur character wrong with editor and it becomes corrupted,. like try to make character from inside game and see if that happens, normally it shouldnt, no one reported such thing, so it could be some mistake on ur side.
PS: ofcourse ur stats are 0 and if there is server side PROTECTION in configs it checks and will disconnect or bring this problems, so go in SQL SERVER Databases> muonline> right click and show all rows for DefaultClassType, and if its 0 0 0 0 0 0 for alll character stats energy,stamina,agility,strength,command then make them 25 25 25 25 25 and re-test.