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', '2a0249311eac4f38755f1e8e66b5aae3', '3.133.12.172', '1714000479', '1714000479', '/password_double_opt.php?XTCsid=cb0ad84d7acc90898c9ea3492fbc1557')

[XT SQL Error]