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`='e22024d98765eb2468aeeb08e9e18af4',`time`=1711648444,`ip`=X'22ee8f46',`location`='/misc.php?action=whoposted&tid=418',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0