Database error in vBulletin 3.6.1:

Invalid SQL:
SELECT userid, usergroupid, IF(displaygroupid=0, usergroupid, displaygroupid) AS displaygroupid, username, posts FROM user ORDER BY posts DESC LIMIT 0,;

MySQL Error : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1
Error Number : 1064
Date : Wednesday, September 27th 2006 @ 11:19:40 AM
Script : http://www.********.com/topXstats.php
Referrer :
IP Address : 66.249.66.83
Username : Kayitsiz
Classname : vb_database