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`='0a078b20f2c5be6e179bba908bb68e97',`time`=1711717209,`ip`=X'12cf6857',`location`='/newreply.php?tid=311&replyto=551',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0