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`='831f3f175b6489e4f01463452e8b875c',`time`='1711710298',`ip`='3.80.155.163',`location`='/showthread.php?mode=linear&tid=9&pid=19',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'