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', 'b3e9a6f14835210a692eee684e588cf5', '18.191.228.88', '1713978674', '1713978674', '/products_new.php?XTCsid=2e913f95d614b725a3e8a823e845d351')

[XT SQL Error]