Forum Database error :Invalid SQL:
 

<div>The main forum index.php comes up its just a database error when you click on anything

Database error in vBulletin 4.0.2:

Invalid SQL:

SELECT
IF(votenum >= 1, votenum, 0) AS votenum,
IF(votenum >= 1 AND votenum > 0, votetotal / votenum, 0) AS voteavg,
post.pagetext AS preview,
thread.threadid, thread.title AS threadtitle, thread.forumid, pollid, open, postusername, postuserid, thread.iconid AS threadiconid,
thread.dateline, notes, thread.visible, sticky, votetotal, thread.attach, thread.lastpost, thread.lastposter, thread.lastposterid, thread.lastpostid, thread.replycount, IF(thread.views