Discuz! info: MySQL Query Error

Time: 2020-7-8 10:04pm
Script: /hkcdfamily/forum2/index.php

SQL: DELETE FROM cdb_sessions WHERE sid='flsF2z' OR lastactivity<(1594217044-900) OR ('0'<>'0' AND uid='0') OR (uid='0' AND ip1='3' AND ip2='81' AND ip3='28' AND ip4='10' AND lastactivity>1594217044-60)
Error: Incorrect key file for table 'cdb_sessions'; try to repair it
Errno.: 1034

Similar error report has beed dispatched to administrator before.