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`='f3ee61d93253342e8f6b644092c41e46',`time`=1711660927,`ip`=X'36512177',`location`='/search.php?action=finduserthreads&uid=463',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0