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`='c87885996391ecf3089c97616e5f0d15',`time`='1711726780',`ip`='18.206.76.45',`location`='/showthread.php?tid=3&pid=5',`useragent`='claudebot',`location1`='3',`location2`='3',`nopermission`='0'