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Database error in vBulletin 30:

Invalid SQL:
SELECT dateline,lastactivity,avatarrevision,reputation,us er.posts,user.usertitle,user.username,user.userid, usergroupid,COUNT(*) AS total FROM user AS user,post AS post WHERE usergroupid IN (Array) AND user.userid=post.userid AND post.dateline BETWEEN 1252022400 AND 1252108800 GROUP BY post.userid ORDER BY total DESC LIMIT 1;

MySQL Error : Unknown column 'Array' in 'where clause'
Error Number : 1054
Request Date : Friday, September 4th 2009 @ 09:15:38 AM
Error Date : Friday, September 4th 2009 @ 09:15:38 AM
Script : http://www.alwads.com/vb/index.php
Referrer :
Classname : vB_Database
MySQL Version : 5.0.81-community