mysql error number : 1054 , I really NeEd Help

[NAIF]

Hello ,
since i upgraded my bB forum from vB 2.2.8 to vB2.3.0, i have faced a problem that when i user lose a password and tries to use the lost apssword action, after he insert his email he gets a database error mesage( error is attached) ...I wish you can help me solve this problem>

--------------------------------------------------
Database error in vBulletin 2.3.0:

Invalid SQL:
INSERT INTO useractivation
(useractivationid, userid, dateline, activationid, type, usergroupid)
VALUES
(NULL, 53941377, 1056947111, '97957961', 1, 80)

mysql error: Unknown column 'usergroupid' in 'field list'

mysql error number: 1054

Date: Monday 30th of June 2003 07:25:11 AM
Script: http://www.abdu.net/vb/vb/member.php
Referer: http://www.abdu.net/vb/member.php?action=lostpw
-----------------------------------------

thank you