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', 'a29de494294a0909fa1c177efd1be696', '18.217.144.32', '1714061848', '1714061848', '/checkout_shipping.php?XTCsid=30c973abda9994cdcaa402f38a62d49a')

[XT SQL Error]