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', '4ab7d07f331d7d9225a63057ac6970dd', '13.58.112.1', '1713909555', '1713909555', '/advanced_search.php?XTCsid=ae958f15bfdd7f280c3365e7be4f705d')

[XT SQL Error]