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`='7923597afd167687916aefaca49ffd71',`time`='1711687525',`ip`='34.206.64.143',`location`='/showthread.php?tid=4&pid=63&mode=threaded',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'