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', '1c722de86a393e1d124b78a5ab9ec0b2', '216.73.216.116', '1752277857', '1752277857', '/shop_content.php/language/en/coID/8/content/Sitemap')

[XT SQL Error]