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`='ab3fad839a30b6a37a655d7e0b639cb0',`time`=1711660308,`ip`=X'035d3bab',`location`='/misc.php?action=whoposted&tid=331&sort=username',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0