SQL-Fehler nach Hack-einbau

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SQL-DATABASE ERROR

Database error in WoltLab Burning Board (2.1.6): Invalid SQL: SELECT p.*, u.userposts, u.regdate, u.signature, u.email, u.homepage, u.icq, u.aim, u.yim, u.msn, u.showemail, u.receivepm, u.usercanemail, u.ratingcount, u.ratingpoints, u.gender, u.invisible, u.title, u.lastactivity, u.instantm, u.guthaben, u.allowsigsmilies, u.allowsightml, u.allowsigbbcode, u.allowsigimages, u.disablesignature, u.abwesend, r.ranktitle, r.rankimages, at.attachmentname, at.attachmentid, at.attachmentextension, at.attachmentsize, at.counter, i.iconpath, i.icontitle , uf.* , av.avatarid, av.avatarextension, av.width, av.height , g.useronlinemarking FROM bb1_posts p LEFT JOIN bb1_users u USING (userid) LEFT JOIN bb1_ranks r USING (rankid) LEFT JOIN bb1_attachments at ON (p.attachmentid=at.attachmentid) LEFT JOIN bb1_icons i ON (p.iconid=i.iconid) LEFT JOIN bb1_userfields uf ON (uf.userid=p.userid) LEFT JOIN bb1_avatars av ON (u.avatarid=av.avatarid) LEFT JOIN bb1_groups g ON (u.useronlinegroupid=g.groupid) WHERE p.postid IN (0,61)ORDER BY p.posttime ASC 
mysql error: Unbekanntes Tabellenfeld 'u.abwesend' in field list 
mysql error number: 1054 
mysql version: 4.1.18-max-log 
php version: 4.4.2 
Date: 15.03.2006 @ 09:17 
Script: /thread.php?threadid=61&sid= 
Referer: http://jonas.uttx.net/board.php?boardid=2&sid=