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`='d14ebd56a92f369fcf5819b64449d90d',`time`=1711698167,`ip`=X'03e9dd2a',`location`='/newreply.php?tid=264&replyto=1636',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0