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', 'c56f385a243be5091a505d25caef1a78', '3.139.104.214', '1713592701', '1713592701', '/password_double_opt.php?XTCsid=c7f035e02971a7df32ae13cabef322ff')

[XT SQL Error]