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`='a9bb5abdd42140dcd25a2d1de7e10609',`time`=1711670275,`ip`=X'03ee8e86',`location`='/newreply.php?tid=315&replyto=1912',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0