新注册会员进入个人空间出错怎么回事啊

新注册会员进不了个人空间 (用管理员账号也是同样的效果)
系统提示信息如下:
SupeSite info: MySQL Query Error

User: Guest
Time: 2009-12-31 7:44pm
Script: /Xspace/index.php

SQL: SELECT tf.tid, tf.subject, tf.fid, tf.views, tf.replies, tf.dateline, tf.lastpost FROM `discuz`.`[Table]myposts` my, `discuz`.`[Table]threads` tf WHERE my.uid='2' AND tf.tid=my.tid AND tf.displayorder>='0' ORDER BY tf.dateline DESC LIMIT 0,10
Error: Table 'discuz.[Table]myposts' doesn't exist
Errno.: 1146