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', '3a3e68feb1f4429a7102565a86845f5a', '13.59.36.203', '1713260584', '1713260584', '/popup_content.php?coID=1&XTCsid=0d9ee48a6a0ef54d70661006a72a5ec7')

[XT SQL Error]