MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1062 - Duplicate entry '1753900971-216.73.216.168-0' for key 'datetime'
Query:
UPDATE mybb_lastvisitors SET `ip`='216.73.216.168', `port`='12271', `proxy`='1', `uid`='0', `username`='', `datetime`='1753900971', `referrer`='http://www.mybbcodes.com/showthread.php?action=nextnewest&tid=2052', `url`='/showthread.php?tid=2053&pid=14319', `info`='Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' WHERE ip='217.113.194.157' AND datetime='1753900920'