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`='406e9718ae1e4e630fd45756e6c8716f',`time`='1711707453',`ip`='34.229.239.82',`location`='/showthread.php?mode=linear&tid=4&pid=61',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'