phpOpenTracker Error: query INSERT INTO pot_visitors (client_id, accesslog_id, visitor_id, operating_system_id, user_agent_id, host_id, referer_id, timestamp, weekday, hour, returning_visitor) VALUES ('251', '3668722153', '3668722153', '2128529172', '354583245', '48803620', '0', '1563545741', '5', '14', '0') Duplicate entry '3668722153' for key 'PRIMARY'