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`='f2ead23a726d916c9e191f1f7006ec9f',`time`=1711724431,`ip`=X'2cde8a46',`location`='/memberlist.php?username_match=begins&username=O',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0