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`='ad1bf57d3e2f65f44f14dadf17da8fbc',`time`=1711627117,`ip`=X'03ebe324',`location`='/misc.php?action=whoposted&tid=6743',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0