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`='1cc24990d82ddfd30aeb38c7bf57e776',`time`=1711721196,`ip`=X'03ec5104',`location`='/newreply.php?tid=259&replyto=692',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0