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', '5dbb81fe5882ce9a4290ddf9205ce1d9', '18.226.169.94', '1713573825', '1713573825', '/product_info.php/info/p3500_Haiti-Reliefkarte.html')

[XT SQL Error]