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`='673b37898101f35af2c71212f27f7395',`time`='1710823390',`ip`='54.84.65.73',`location`='/showthread.php?tid=9&pid=22',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'