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`='3f4de731a0b25c1826deb6cc158cbed8',`time`=1711721139,`ip`=X'36ea8ff0',`location`='/newreply.php?tid=311&replyto=1891',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0