1366 - Incorrect integer value: '' for column `shop_db3`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '473e1a6a57cb24feee4b2db64f9b220a', '18.225.149.32', '1714073497', '1714073497', '/popup_content.php?coID=1&XTCsid=937b7cb67e424972a37875d7d9fe8a0c')

[XT SQL Error]