Discuz! info: MySQL Query Error

Time: 2014-4-19 7:58am
Script: /bbs/index.php

SQL: SELECT f.fid, f.fup, f.type, f.name, f.threads, f.posts, f.todayposts, f.lastpost, f.inheritedmod, f.forumcolumns, f.simple, ff.description, ff.moderators, ff.icon, ff.viewperm, ff.redirect, ff.extra FROM [Table]forums f
LEFT JOIN [Table]forumfields ff USING(fid)
WHERE f.status>'0' ORDER BY f.type, f.displayorder
Error: Unknown column 'ff.extra' in 'field list'
Errno.: 1054

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