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`='2f94e2dac4cd3d8ff9610a6a75583ee4',`time`='1710816768',`ip`='44.213.80.174',`location`='/showthread.php?tid=4&action=lastpost',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'