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`='bfe95932159a2ea6810b621455c27249',`time`=1711639424,`ip`=X'2cc1507e',`location`='/forumdisplay.php?fid=5&page=3',`useragent`='claudebot',`location1`=5,`location2`=0,`nopermission`=0