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`='1f1743b4401f1a696dda1e45b87016e8',`time`=1711622466,`ip`=X'345a32fc',`location`='/ratethread.php?tid=667&rating=1&my_post_key=00b00bae71175975494d0d1748a4b8c7',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0