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', 'ed3e6168667c5fcc2a301191a4c0c3ad', '18.226.251.68', '1714087884', '1714087884', '/shopping_cart.php?XTCsid=752467afa49d1c2decc281986e95df51')

[XT SQL Error]