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`='a0ee936e80b40f35517991ce34296e32',`time`='1711721961',`ip`='52.87.200.112',`location`='/showthread.php?tid=3&action=nextnewest',`useragent`='claudebot',`location1`='3',`location2`='3',`nopermission`='0'