MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
145 - Table './balkania_forum/mybb_sessions' is marked as crashed and should be repaired
Query:
REPLACE INTO mybb_sessions SET `uid`=0,`sid`='3ade51022d026c96d9022b595389c243',`time`=1711709463,`ip`=X'2cde8ed2',`location`='/online.php?sortby=time',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0