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`='f136fc377184a8e7f245c71b01995ae5',`time`='1711679645',`ip`='174.129.59.198',`location`='/showthread.php?mode=threaded&tid=9&pid=43',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'