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', 'f19qse9a6r3u53326934vvftu1', '3.144.244.44', '1713589043', '1713589043', '/product_info.php/info/p242_.html')

[XT SQL Error]