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`='8cb47723e5f273860d6201c27d68b364',`time`='1710828910',`ip`='54.242.75.224',`location`='/showthread.php?tid=9&pid=49&mode=threaded',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'