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`='59ae96a4a40b17b9480601fdb9398273',`time`='1711668642',`ip`='3.90.33.254',`location`='/showthread.php?tid=4&pid=69&mode=threaded',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'