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', '30f92998173dc61d4c11bf93db30e14f', '3.147.89.85', '1714090044', '1714090044', '/product_info.php?info=p249_German-Folk-Medley.html&XTCsid=7e0b503625393bfa750f9a995afb0aa8')

[XT SQL Error]