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`='dceb789e1700f4aada9199d3a8f09220',`time`=1711632582,`ip`=X'2cc84a49',`location`='/misc.php?action=whoposted&tid=231',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0