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`='aa928effd08db194d9a4e2cdf82b95f7',`time`=1711721587,`ip`=X'12e83e86',`location`='/forumdisplay.php?fid=15',`useragent`='claudebot',`location1`=15,`location2`=0,`nopermission`=0