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`='4e769108a0d43dbe154b683fa04c1ae5',`time`=1711678210,`ip`=X'36c62d00',`location`='/showthread.php?tid=451&action=lastpost',`useragent`='claudebot',`location1`=6,`location2`=451,`nopermission`=0