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`='15d58386e2b72d474cddf3be2d56aae4',`time`=1711661372,`ip`=X'12d466ae',`location`='/showthread.php?tid=335',`useragent`='claudebot',`location1`=8,`location2`=335,`nopermission`=0