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', 'd6b2eff6801f22b98f92d8bd946ac709', '3.145.97.248', '1713612535', '1713612535', '/checkout_shipping.php?XTCsid=865ed233708c13d8294a9cd1f6a7eff1')

[XT SQL Error]