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`='1d815884e9d8c7d3028f24bba0aabaaf',`time`='1711702813',`ip`='35.175.201.245',`location`='/showthread.php?tid=4&pid=16',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'