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', '2c4456e4e4518d754d2641156706a3f4', '3.147.66.178', '1713593183', '1713593183', '/shop_content.php/coID/8')

[XT SQL Error]