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`='9f4dc90d55f7d7ac42651410943261a5',`time`='1711722681',`ip`='18.232.125.188',`location`='/showthread.php?mode=threaded&tid=4&pid=61',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'