1366 - Incorrect integer value: '' for column `creatihu_shop`.`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', 'ec6000573122b86c03a3e5dc40d9e812', '18.97.14.80', '1776732734', '1776732734', '/')

[XT SQL Error]