MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1062 - Duplicate entry '0' for key 'uid'
Query:
REPLACE INTO mybb_sessions SET `uid`='0',`sid`='9f7803134e0768f683547e96c60977c6',`time`='1711634851',`ip`='44.204.34.64',`location`='/showthread.php?mode=linear&tid=9&pid=41',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'