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`='70e8470f5e701a6ea993f7c27a549b5f',`time`=1711635299,`ip`=X'641a8cb3',`location`='/misc.php?action=whoposted&tid=317',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0