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`='39cc1b383945e7383eb5c3e8067ddef6',`time`='1711618434',`ip`='44.202.90.91',`location`='/showthread.php?mode=threaded&tid=9&pid=51',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'