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`='5ae110ed775237dbd33bc6283660e2e3',`time`=1711700665,`ip`=X'03eafd98',`location`='/showthread.php?mode=linear&tid=258&pid=1627',`useragent`='claudebot',`location1`=8,`location2`=258,`nopermission`=0