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`='a0ee529495be7ce367f2bea9f65cdc50',`time`=1711626760,`ip`=X'03ee3e7c',`location`='/newreply.php?tid=329&replyto=944',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0