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`='621d500fd2f9c431e28b250f82b128cd',`time`=1711692588,`ip`=X'0355a777',`location`='/ratethread.php?tid=454&rating=2&my_post_key=ff91f1a3c7594a47c1c4c85f0d548e39',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0