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`='a08c129325fd34e2c40925b6725c70a1',`time`='1711618635',`ip`='44.213.75.78',`location`='/showthread.php?tid=9&action=nextnewest',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'