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`='d249137a78b200e2819419198d2532a0',`time`='1711644113',`ip`='34.203.221.104',`location`='/showthread.php?mode=threaded&tid=4&pid=74',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'