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', 'dc03eec38ce42a163fbb01d68ad4193e', '18.117.184.189', '1715516935', '1715516935', '/product_info.php?info=p259_Mystery---Silhouette.html')

[XT SQL Error]