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', '747c58739e2dccb6c3a8f9cc6633f36f', '3.133.159.224', '1713884314', '1713884314', '/product_info.php?info=p255_Andr--Carol---Silhouetten.html&XTCsid=26fedc8b3cbf5330d12a051fef4e732f')

[XT SQL Error]