Discuz! info: MySQL Query Error

Time: 2017-9-21 5:21pm
Script: /bbs/index.php

SQL: SELECT * FROM [Table]crons WHERE available>'0' AND nextrun<='1506028897' ORDER BY nextrun LIMIT 1
Error: Can't open file: '[Table]crons.MYI' (errno: 145)
Errno.: 1016

Similar error report has beed dispatched to administrator before.