Discuz! info: MySQL Query Error

Time: 2014-10-1 10:14pm
Script: /dz5/forumdisplay.php

SQL: SELECT t.* FROM [Table]threads t
WHERE t.tid IN (82775) AND t.displayorder IN (2, 3)
ORDER BY displayorder DESC, lastpost DESC
LIMIT 0, 1
Error: Table './dz5/[Table]threads' is marked as crashed and should be repaired
Errno.: 145

Similar error report has beed dispatched to administrator before.