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`='558bdfd5363b66e7d6873da5324c4076',`time`=1711628614,`ip`=X'36a57aad',`location`='/showthread.php?tid=296&action=newpost',`useragent`='claudebot',`location1`=8,`location2`=296,`nopermission`=0