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`='91ae0d26aa11989ffd33d1030123123e',`time`=1711622018,`ip`=X'2cc8276e',`location`='/showthread.php?tid=286&action=lastpost',`useragent`='claudebot',`location1`=8,`location2`=286,`nopermission`=0