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`='138436acb17cca2c354318923c882ac4',`time`=1711665239,`ip`=X'23acc1ee',`location`='/showthread.php?tid=624&pid=4882',`useragent`='claudebot',`location1`=17,`location2`=624,`nopermission`=0