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`='8ce1f0303c652b199406dc5478782058',`time`=1711698738,`ip`=X'36ecf547',`location`='/ratethread.php?tid=38&rating=2&my_post_key=f69704cc1c30386a6927ed06e3f1fb94',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0