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`='11fde00183deb5516069381bc292281e',`time`=1711622748,`ip`=X'12d13f78',`location`='/ratethread.php?tid=61&rating=5&my_post_key=c6f41838131d073d17a4007be8269656',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0