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', 'e26f61dacf03c792075460efd9cab405', '216.73.216.121', '1751985823', '1751985823', '/shop_content.php/coID/25')

[XT SQL Error]