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`='a30a3caff860030351fa400d00962cf9',`time`=1711711608,`ip`=X'171617a2',`location`='/printthread.php?tid=595',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0