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', '4fe9cfcdc695f11fc90e50723c7f1f60', '3.14.6.194', '1714177954', '1714177954', '/product_info.php/language/de/info/p1612_Malawi-Satellite-Image.html')

[XT SQL Error]