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', '54a98151c318d8c5e80cc43f7bb08364', '3.235.46.191', '1711669549', '1711669549', '/shopping_cart.php?XTCsid=f88a86bf4ffc9ff2be90f468933efb62')

[XT SQL Error]