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', 'd10040032c22ba56dcc98d30b5e5c1bc', '3.128.78.41', '1714151248', '1714151248', '/products_new.php?XTCsid=3cd37329143049d8f2fab7a46749bac8')

[XT SQL Error]