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`='6dd098ee3d5723438edc45b5c28953a1',`time`=1711696996,`ip`=X'23ad7d70',`location`='/reputation.php?uid=39',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0