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', 'b22c0cc7affe7b10805217a13c3e48e1', '3.140.185.147', '1714092776', '1714092776', '/product_info.php?info=p255_Andr--Carol---Silhouetten.html&XTCsid=c00a13a977272d3659dd7fe5a5f758e9')

[XT SQL Error]