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`='2c49469c340db728ae57c8a99704eb3e',`time`=1711645003,`ip`=X'12cea081',`location`='/newreply.php?tid=250&replyto=2115',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0