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`='89fe8c96eb81ebc0008fde13b6dc8a94',`time`=1711707108,`ip`=X'03d74d60',`location`='/newreply.php?tid=237&replyto=1405',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0