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`='46e195f5777375c66ed7a9287a411ce3',`time`='1711725486',`ip`='44.210.86.29',`location`='/showthread.php?tid=4&pid=63',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'