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`='4f0599527b835e3690b78e8772d59fb4',`time`=1711669707,`ip`=X'03d7b7c2',`location`='/showthread.php?tid=623&action=newpost',`useragent`='claudebot',`location1`=7,`location2`=623,`nopermission`=0