Issue: Database Error creating new forum

Database error in vBulletin 3.7.2:

Invalid SQL:

SELECT thread.threadid, thread.title, thread.namespaceid, forum.forumid,
post.pagetext, post.userid, post.dateline
FROM thread AS thread
LEFT JOIN post AS post ON (thread.firstpostid = post.postid)
LEFT JOIN forum AS forum ON (forum.forumid = thread.forumid)
WHERE thread.forumid IN ();

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 6
Error Number : 1064
Request Date : Wednesday, July 9th 2008 @ 01:09:34 PM
Error Date : Wednesday, July 9th 2008 @ 01:09:34 PM
Script : hxxp://www.onlineclarity.co.uk/frien....php?do=update
Referrer : hxxp://www.onlineclarity.co.uk/frien...rum.php?do=add
IP Address : xxx.xxx.xxx.xxx
Username : hilary
Classname : vb_database
MySQL Version : 4.1.22-standard