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', '9db21eccad4a86bbe80c12ec121f5ab0', '18.226.166.214', '1714066026', '1714066026', '/products_new.php?XTCsid=842cd293d4e43dd66c33a18be5c47b55')

[XT SQL Error]