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`='a0db6e9b2a9cde0c8c66814a208124cd',`time`=1711641533,`ip`=X'2cd54b4e',`location`='/ratethread.php?tid=473&rating=3&my_post_key=3c39add842d324b623ec6fccf2782563',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0