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`='d285985ca0c7b61618ba130e1a29d2d2',`time`=1711621602,`ip`=X'2cded48a',`location`='/newreply.php?tid=293&replyto=533',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0