1366 - Incorrect integer value: '' for column `creatihu_shop`.`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', 'b05b633e117a8be6a45de3390e7af26c', '3.135.198.49', '1714176376', '1714176376', '/product_info.php?info=p313_.html')

[XT SQL Error]