Recebo alguns erros do banco de dados no meu e-mail

Database error in vBulletin 4.1.0:

Invalid SQL:
 
        SELECT 
            IF(votenum >= 1, votenum, 0) AS votenum,
            IF(votenum >= 1 AND votenum > 0, votetotal / votenum, 0) AS voteavg,
         post.pagetext AS thumb,
            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<=thread.replycount, thread.replycount+1,  thread.views) AS views,
            thread.prefixid, thread.taglist, hiddencount, deletedcount,
            user.usergroupid, user.homepage, user.options AS useroptions, IF(userlist.friend = 'yes', 1, 0) AS isfriend
            
            
            
            
            
        FROM vb_thread AS thread
            LEFT JOIN vb_user AS user ON (user.userid = thread.lastposterid)
            LEFT JOIN vb_userlist AS userlist ON (userlist.relationid =  user.userid AND userlist.type = 'buddy' AND userlist.userid = 0)
            
            WHERE thread.threadid IN (0) 
        ORDER BY sticky DESC, lastpost DESC;
 
MySQL Error   : Unknown table 'post' in field list
Error Number  : 1109
Request Date  : Wednesday, January 5th 2011 @ 08:48:25 PM
Error Date    : Wednesday, January 5th 2011 @ 08:48:25 PM
Username      : No Registrado
Classname     : vB_Database