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`='cc701cf080424dcd9fdb8c1130e8e520',`time`=1711712777,`ip`=X'0351394d',`location`='/ratethread.php?tid=630&rating=4&my_post_key=ecbf401166538bb1d0727966f3e78158',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0