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`='a7276e28d57bb70e59233106731b9966',`time`=1711708174,`ip`=X'2cd2ef0c',`location`='/showthread.php?mode=linear&tid=367&pid=2766',`useragent`='claudebot',`location1`=9,`location2`=367,`nopermission`=0