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`='28293535fa7a3b1b166f772ee58fac24',`time`=1711643418,`ip`=X'36e07cd9',`location`='/showthread.php?tid=266&action=newpost',`useragent`='claudebot',`location1`=8,`location2`=266,`nopermission`=0