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', '5vuhiq76vfls5d560frj6to180', '3.149.234.251', '1713263412', '1713263412', '/product_info.php/info/p96_.html')

[XT SQL Error]