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', '3b559ff79fb2a42795db57560278cc00', '3.17.28.48', '1713910310', '1713910310', '/product_info.php/info/p4007_Australien-Reliefkarte.html')

[XT SQL Error]