Datenbankfehler nach update

Datenbankfehler in vBulletin 3.6.4:

Invalid SQL:

        SELECT
        t.open, t.visible, t.forumid,
        t.threadid, t.title, t.replycount, 
        t.firstpostid, t.postusername, t.postuserid,
        t.dateline AS date, t.views, t.attach, f.pagetext, p.postid, p.pagetext_html,
        t.iconid, i.iconpath, i.title as icontitle
        
                ,ava.userid, ava.dateline, u.avatarrevision
        
        FROM vb3_thread as t
        LEFT JOIN vb3_post as f ON (f.postid = t.firstpostid)
        LEFT JOIN vb3_postparsed AS p ON (p.postid = t.firstpostid AND p.styleid = 3 AND p.languageid = 1)
        LEFT JOIN vb3_icon as i ON (i.iconid = t.iconid)
        
                LEFT JOIN vb3_customavatar as ava ON (ava.userid = t.postuserid)
                LEFT JOIN vb3_user as u ON (u.userid = t.postuserid)
        
        WHERE t.forumid IN ()
             
             AND t.open != 10 AND t.visible = 1
             
        ORDER BY threadid DESC
        LIMIT 0, 1;

MySQL-Fehler : 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 ')
             
             AND t.open != 10 AND t.visible = 1
             
  ' at line 18
Fehler-Nr.   : 1064
Datum        : Monday, December 11th 2006 @ 10:52:47 PM
Skript       : http://www.*************
Referrer     : http://www.***********
IP-Adresse   : *************
Benutzername : ********