1366 - Incorrect integer value: '' for column `db162720`.`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', 'tt9o9hn6nrg9goj07lk41m4qp5', '18.226.251.22', '1714031780', '1714031780', '/product_info.php/info/p33_.html')

[XT SQL Error]