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`='b5edc01dfd1c668cb44393cf7a11a818',`time`=1711696328,`ip`=X'03ed1f83',`location`='/newreply.php?tid=229&replyto=1301',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0