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`='ef9da9c0e58e24ea17710623c8f215bd',`time`='1711674143',`ip`='3.235.251.99',`location`='/showthread.php?tid=4&pid=16',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'