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', 'e4f040221ae3adbafd17b395c2f096ba', '44.200.77.59', '1711634939', '1711634939', '/shop_content.php?coID=4&XTCsid=f14882bc03b87e844afdf80aaa54462a')

[XT SQL Error]