1366 - Incorrect integer value: '' for column `shop_db3`.`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', '0f1ab536041bcf110a29dbcdb9b1cda2', '54.163.200.109', '1711661845', '1711661845', '/password_double_opt.php?XTCsid=3cd37329143049d8f2fab7a46749bac8')

[XT SQL Error]