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`='b68ba9696e733411ecbd9bc64f5f6c65',`time`=1711709212,`ip`=X'36af461d',`location`='/showthread.php?tid=415&action=lastpost',`useragent`='claudebot',`location1`=29,`location2`=415,`nopermission`=0