Forum Invalid SQL - Database error in vBulletin 4.2.0
 

hello
I have received many emails like below


Database error in vBulletin 4.2.0: Invalid SQL: SELECT thread.threadid, thread.title, thread.lastpost, thread.forumid, thread.replycount, thread.postusername, thread.postuserid, thread.lastposter, thread.lastposterid, thread.dateline, thread.views, thread.visible, thread.open, user.usergroupid, user.displaygroupid , thread.prefixid FROM thread AS thread LEFT JOIN user AS user ON (user.userid = thread.lastposterid) WHERE NOT ISNULL(thread.threadid) AND thread.visible = '1' AND thread.open!='10' AND thread.forumid NOT IN(374,75,76,96,108,133,16,321,274,275,18,323,271, 272,273,50,51,212,225,,336,337,338,339,3 40,341,375,376,378,379) ORDER BY lastpost DESC LIMIT 0, 15; 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 '336,337,338,339,340,341,375,376,378,379) ORDER BY lastpost DESC LIMIT 0, 1' at line 4 Error Number : 1064 Request Date : Wednesday, November 28th 2012 @ 01:18:44 PM Error Date : Wednesday, November 28th 2012 @ 01:18:45 PM Classname : vB_Database


what is this for?
how can i fix it?

thanks