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`='889aee26fac9b9ae80a4e638b2f52eb7',`time`=1711619519,`ip`=X'36dd2b9b',`location`='/showthread.php?tid=385&pid=2489',`useragent`='claudebot',`location1`=20,`location2`=385,`nopermission`=0