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`='826a0d5285ce21a8ce5955b91043e3a4',`time`=1711724244,`ip`=X'2cd2ebf7',`location`='/showthread.php?tid=321&pid=936',`useragent`='claudebot',`location1`=8,`location2`=321,`nopermission`=0