Xtream 1.60 New user registration or modification - error

[gusanakan]

Hi, Dont know if somebody has smae issue, but hete when I try to create new user, or modify existing ones I get kind error:

QUERY: select id, username,email,member_group_id,parent_member,credits,notes,default_lang, dnsreseller from reg_users where id=3
ERROR: Unknown column 'parent_member' in 'field list'

I know it is database related, but dont know what here, anyone can advice what to do?