求救，论坛老帖打不开了！新发的帖子可以打开

Discuz! info: MySQL Query Error

User: （（（（
Time: 2006-10-8 7:29pm
Script: /discuz/viewthread.php

SQL: SELECT p.*, m.uid, m.username, m.groupid, m.regdate, m.lastactivity, m.posts, m.digestposts, m.oltime,
m.pageviews, m.credits, m.extcredits1, m.extcredits2, m.extcredits3, m.extcredits4, m.extcredits5, m.extcredits6,
m.extcredits7, m.extcredits8, m.email, m.gender, m.showemail, m.invisible, m.avatarshowid, m.xspacestatus, mf.nickname, mf.site,
mf.icq, mf.qq, mf.yahoo, mf.msn, mf.taobao, mf.alipay, mf.location, mf.medals, mf.avatar, mf.avatarwidth,
mf.avatarheight, mf.sightml AS signature, mf.customstatus,tt.mypet, tt.mypetpic, tt.mypetname, tt.mypetjob, tt.mypetexp, tt.mypethp, tt.mypetmaxhp, tt.mypetsp, tt.mypetmp, tt.mypetmaxmp, tt.mypetdead, tt.openpk


FROM cdb_posts p
LEFT JOIN cdb_members m ON m.uid=p.authorid
LEFT JOIN cdb_memberfields mf ON mf.uid=m.uid
LEFT JOIN cdb_mypetdata tt ON tt.username=m.username
WHERE p.tid='19963' AND p.invisible='0' ORDER BY dateline LIMIT 0, 10
Error: Table 'mf' is marked as crashed and should be repaired
Errno.: 1194

Similar error report has beed dispatched to administrator before.

这个是错误代码，为什么呢？

太奇怪了，有些老帖也可以打开，可是有一部分就会出现这个错误，究竟是什么问题，各位高手能不能帮忙给一点指点？

修复