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`='9445b3ebd4e62d7bb652d68cd27ef078',`time`=1711705552,`ip`=X'23afe8a3',`location`='/newreply.php?tid=623&replyto=4862',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0