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', '41e55b2603b84d900e899e57f9bc6f0d', '18.221.129.145', '1713507353', '1713507353', '/product_info.php?info=p255_Andr--Carol---Silhouetten.html&XTCsid=638bbe3e68bb73ad3db5aa2ad24a3591')

[XT SQL Error]