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`='d13a678aac71bb5c766e70da02ccf154',`time`=1711705730,`ip`=X'03ef0f2e',`location`='/misc.php?action=whoposted&tid=6749',`useragent`='claudebot',`location1`=0,`location2`=0,`nopermission`=0