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`='9531806689e92778fcf1ac248e405531',`time`=1711708915,`ip`=X'2cc6a953',`location`='/showthread.php?tid=313&action=newpost',`useragent`='claudebot',`location1`=8,`location2`=313,`nopermission`=0