Discuz! info: MySQL Query Error

Time: 2010-9-11 2:54am
Script: /index.php

SQL: SELECT * FROM [Table]crons WHERE available>'0' AND nextrun<='1284144897' ORDER BY nextrun LIMIT 1
Error: Table './discuz/[Table]crons' is marked as crashed and should be repaired
Errno.: 145

Similar error report has beed dispatched to administrator before.