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`='d56b1066f5b3990c8b3d77548bb4144f',`time`=1711711721,`ip`=X'36ea7c46',`location`='/ratethread.php?tid=310&rating=5&my_post_key=a00b7683847ac638c523236bdadc233f',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0