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`='335e1fb996986bd23fded43259d36947',`time`=1711629877,`ip`=X'23afec2c',`location`='/misc.php?action=markread&fid=5',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0