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`='3ef1179f856f88cac0b693eb5fa653d1',`time`=1711701122,`ip`=X'36d39444',`location`='/showthread.php?tid=318&pid=2183',`useragent`='claudebot',`location1`=8,`location2`=318,`nopermission`=0