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`='cee162bfc310958b6c00bf5811dceb92',`time`=1711660299,`ip`=X'36e2e21e',`location`='/showthread.php?tid=251',`useragent`='claudebot',`location1`=8,`location2`=251,`nopermission`=0