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', 'fe598b60e708086593280a702606287e', '18.117.107.90', '1713937130', '1713937130', '/product_info.php?info=p302_Frecher-Lauser.html&XTCsid=3cd37329143049d8f2fab7a46749bac8')

[XT SQL Error]