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`='b0c8a17ee3b644a2e2abbc8ed61f9789',`time`=1711636351,`ip`=X'3436674c',`location`='/index.php?action=shoutbox_archive&sid=146',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0