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`='c9785abbb3ef60d394c9b00413ffe400',`time`=1711679145,`ip`=X'035af2f9',`location`='/showthread.php?tid=387&action=newpost',`useragent`='claudebot',`location1`=7,`location2`=387,`nopermission`=0