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', '74b68ac53f318ce8e6951682ef061ad0', '3.139.97.157', '1713540501', '1713540501', '/product_info.php?info=p255_Andr--Carol---Silhouetten.html&XTCsid=6f15378daa624dbfd839586482611826')

[XT SQL Error]