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', 'n1vk3j6mteri3rt4ecbk1educ1', '3.145.183.137', '1714168736', '1714168736', '/product_info.php/info/p199_.html')

[XT SQL Error]