MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1062 - Duplicate entry '1749489406-216.73.216.144-0' for key 'datetime'
Query:
UPDATE mybb_lastvisitors SET `ip`='216.73.216.144', `port`='55024', `proxy`='1', `uid`='0', `username`='', `datetime`='1749489406', `referrer`='', `url`='/showthread.php?action=newpost&tid=1376', `info`='Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)' WHERE ip='217.113.194.201' AND datetime='1749489360'