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`='52686a92123f0128635474d7609274d9',`time`=1711716897,`ip`=X'2cd2eddf',`location`='/ratethread.php?tid=666&rating=1&my_post_key=721597621b80a8663e78f0ad7a4cfcd5',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0