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`='213a1e4cf1964c6e4991b23beb8fe6b5',`time`=1711711865,`ip`=X'23afe8a3',`location`='/ratethread.php?tid=425&rating=3&my_post_key=c996e75a97c0e4a1bc21b57c0576c910',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0