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`='8f0bb3df123bdc92863964b99783377d',`time`=1711623693,`ip`=X'2cc918ab',`location`='/newreply.php?tid=347&replyto=959',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0