Discuz! info: MySQL Query Error

Time: 2018-6-22 5:18am
Script: /forum/forumdisplay.php

SQL: SELECT t.* FROM [Table]threads t
WHERE t.fid='7' AND t.displayorder IN (0, 1, 2, 3)
ORDER BY t.displayorder DESC, t.lastpost DESC
LIMIT 0, 16
Error: Incorrect key file for table '.\localdb\[Table]threads.MYI'; try to repair it
Errno.: 126

Similar error report has beed dispatched to administrator before.