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`='cfb5065e7686605c8bf0c252997cbf4f',`time`=1711723973,`ip`=X'36af3bf2',`location`='/showthread.php?tid=277&page=2',`useragent`='claudebot',`location1`=8,`location2`=277,`nopermission`=0