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`='1369008c117454594602a1686e1afe70',`time`='1711697014',`ip`='54.145.183.34',`location`='/showthread.php?tid=3&action=newpost',`useragent`='claudebot',`location1`='3',`location2`='3',`nopermission`='0'