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`='e14fc35ce75c3402b46b862d12371e92',`time`=1711678781,`ip`=X'2cc940ee',`location`='/memberlist.php?perpage=20&sort=username&order=ascending',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0