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', 'c842928a9f2dd5ef8ad4047d09b027e7', '3.144.233.150', '1713957402', '1713957402', '/product_info.php?info=p298_Bei-uns-in-Bayern.html&XTCsid=cb0ad84d7acc90898c9ea3492fbc1557')

[XT SQL Error]