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', 'ab7e9aad939d798c9fe5c72a4cb3b685', '18.221.129.19', '1713860192', '1713860192', '/product_info.php/info/p2958_Georgia-Reliefkarte.html')

[XT SQL Error]