MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
1062 - Duplicate entry '1748688471-3.143.246.80-0' for key 'datetime'
Query:
INSERT INTO mybb_lastvisitors (`ip`,`port`,`proxy`,`uid`,`username`,`datetime`,`referrer`,`url`,`info`) VALUES ('3.143.246.80','16894','5','0','','1748688471','','/usercp2.php?action=addsubscription&tid=2968','Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)')