1366 - Incorrect integer value: '' for column `abtecsho_shop`.`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', 'df3gnj03j52f9oh0ftkota0fe6', '18.117.197.188', '1746953098', '1746953098', '/product_info.php/info/p6331_KNS-Textschild--Notausgang.html')

[XT SQL Error]