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`='557ae9d18a048b1f8059c9ce24a5d2d1',`time`='1711723611',`ip`='3.230.147.225',`location`='/showthread.php?mode=threaded&tid=4&pid=14',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'