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`='4ec7fe803028a10e3b1e2b213cbdd2f7',`time`='1710838700',`ip`='44.221.43.208',`location`='/showthread.php?tid=9&pid=36&mode=threaded',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'