1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', 'a8a11150ebbad6fc9d9f1baef88001cc', '18.119.131.178', '1714087847', '1714087847', '/product_info.php/info/p4009_Nordamerika-Reliefkarte.html')

[XT SQL Error]