Hola, despues de seguir paso por paso las instrucciones de instalacion del manual oficial del cmps todo va perfecto y el portal funciona muy bien, el problema llega cuando me voy al panel de administracion y elijo el foro que quiero que aparezca en el principal pero al hacer esto , al intentar a la web me da un error de query:

Código:
 
Database error in vBulletin 3.5.1:
Invalid SQL:
    SELECT IF(votenum >= 1, votenum, 0) AS numbvote, IF(votenum >= 1 AND votenum != 0, votetotal / votenum, 0) AS voteavg,
    thread.threadid, post.title, thread.replycount, postusername, postuserid, thread.dateline AS postdateline, thread.lastposter, thread.lastpost, IF(views<=thread.replycount, thread.replycount+1, views) AS views, thread.forumid, post.postid, pagetext, allowsmilie, forum.title AS forumtitle
    
    ,thread.iconid AS threadiconid, iconpath AS threadiconpath
    , avatarpath, NOT ISNULL(filedata) AS hascustom, customavatar.dateline AS avatardateline, avatarrevision
    , NOT ISNULL(subscribethread.subscribethreadid) AS subscribed 
    FROM vbthread AS thread
    LEFT JOIN vbforum AS forum USING (forumid)
    LEFT JOIN vbpost AS post ON (post.postid = thread.firstpostid)
    LEFT JOIN vbicon USING (iconid)
    LEFT JOIN vbuser AS user ON (user.userid = post.userid)
    
    
    
     LEFT JOIN vbavatar as avatar ON (avatar.avatarid = user.avatarid)
     LEFT JOIN vbcustomavatar as customavatar ON (customavatar.userid = user.userid)
    
     LEFT JOIN vbsubscribethread AS subscribethread ON (subscribethread.threadid = thread.threadid AND subscribethread.userid = '1')
    LEFT JOIN vbdeletionlog AS deletionlog ON (thread.threadid = deletionlog.primaryid AND type = 'thread')
    WHERE thread.threadid IN(1)
    
    GROUP BY post.postid
    ORDER BY sticky DESC,thread.dateline DESC
    LIMIT 10;
MySQL Error  : Column 'iconid' in from clause is ambiguous
Error Number : 1052
Date         : Friday, January 13th 2006 @ 06:42:28 PM
alguien me echa una mano?

gracias!