[求助] 老大,为何论坛上搜索功能用不了了?

我在搜索了,打完字后,回车后出现SQL数据我库无法查询的提示,为啥呀?
提示如下:
Discuz! info: MySQL Query Error

User: 厚着脸皮活着
Time: 2011-3-30 9:08am
Script: /forum/search.php

SQL: SELECT t.tid, t.closed, t.author FROM [Table]threads t WHERE t.fid IN ('27') AND t.displayorder>='0' AND (0 OR MATCH(t.subject) AGAINST ('尾行' IN BOOLEAN MODE)) ORDER BY tid DESC LIMIT 500
Error: Table 'sexinsex_forum.[Table]threads' doesn't exist
Errno.: 1146

Similar error report has beed dispatched to administrator before.