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`='ff8ca6868a87d27e495d0b39d38c3375',`time`=1711717580,`ip`=X'03eefb15',`location`='/memberlist.php?sort=regdate&order=ascending&perpage=20&page=2',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0