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`='395a5d491748d4c7885070a2e66f4fd0',`time`='1711703706',`ip`='44.210.78.150',`location`='/showthread.php?tid=9&pid=57',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'