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`='1a97c7c4b390ca7acc7380e46dd6c671',`time`=1711636968,`ip`=X'36a57aad',`location`='/showthread.php?tid=474&action=lastpost',`useragent`='claudebot',`location1`=29,`location2`=474,`nopermission`=0