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', 'c99b8d0fdaf3689e2dcc9b447d6b94eb', '3.133.144.217', '1714044631', '1714044631', '/products_new.php?XTCsid=9905f496dafd7c1604ee1758883b5a9f')

[XT SQL Error]