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', 'e19f3a85781687168e01969c8d9014bd', '18.223.111.48', '1713880839', '1713880839', '/shopping_cart.php?XTCsid=6f15378daa624dbfd839586482611826')

[XT SQL Error]