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`='a4dd0b0c1be6798a7020ad044ace7d90',`time`=1711668226,`ip`=X'345b54db',`location`='/newreply.php?tid=17&replyto=20',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0