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`='fe44cd5e8f9df0fc83a99ad32a74ee09',`time`=1711711464,`ip`=X'36ea8ff0',`location`='/showthread.php?tid=232&action=newpost',`useragent`='claudebot',`location1`=9,`location2`=232,`nopermission`=0