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`='c2962275757a3fe9afcc86a62df7804a',`time`='1711703639',`ip`='34.205.2.207',`location`='/showthread.php?mode=linear&tid=9&pid=25',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'