1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', 'e1c8c7066470f1ebf862cbbf1abfb967', '18.223.196.59', '1713617743', '1713617743', '/product_info.php/language/de/info/p3269_Aequatorial-Guinea-Reliefkarte.html')

[XT SQL Error]