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', '86f1c4ec04bb314ed422b6154faa54f7', '34.201.173.244', '1711706535', '1711706535', '/shopping_cart.php?XTCsid=7593f4da55114442760e17ad10225a85')

[XT SQL Error]