what is this erore -mysql error

[milad-sasha]

i when loging my user name then can not see my index page of my forum and this eror of database will be appers...i just can not see my index page of my forum and i can see diffrnt link of my forum...this problem just my user when i loging...plz help me...

Database error in vBulletin 4.1.3:

Invalid SQL:

			SELECT userid, usergroupid, displaygroupid, username, credits
			FROM user AS user
			WHERE credits > 0 
			ORDER BY credits DESC
			LIMIT 0, 15;

MySQL Error   : Unknown column 'credits' in 'field list'
Error Number  : 1054
Request Date  : Wednesday, May 4th 2011 @ 06:15:11 PM
Error Date    : Wednesday, May 4th 2011 @ 06:15:11 PM
Script        : http://www.rossoneri.ir/index.php
Referrer      : 
IP Address    : 89.144.150.157
Username      : Milad Sasha
Classname     : vB_Database
MySQL Version : 5.0.92-community