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`='c3af5880bcd3f80b62cb600e352ba597',`time`=1711704346,`ip`=X'2cc5d624',`location`='/memberlist.php?perpage=20&username_match=begins&username=E&sort=regdate&order=ascending',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0