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`='fcd0f9f8c6032f222883619e018b9aa5',`time`='1711676022',`ip`='54.165.122.173',`location`='/showthread.php?mode=linear&tid=4&pid=79',`useragent`='claudebot',`location1`='3',`location2`='4',`nopermission`='0'