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`='9026b1956626690be737c84c6a12177e',`time`='1710821460',`ip`='54.225.1.66',`location`='/showthread.php?tid=9&pid=52',`useragent`='claudebot',`location1`='3',`location2`='9',`nopermission`='0'