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`='523dd7fe9fa880e38b9401310293edda',`time`=1711707319,`ip`=X'22cc63fe',`location`='/newreply.php?tid=333&replyto=2738',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0