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`='6514fe52884954f3c7734147d2f0aa2e',`time`=1711674190,`ip`=X'3436674c',`location`='/ratethread.php?tid=332&rating=3&my_post_key=43b20a2c3ce062279f361b9bb1157107',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0