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', '86534d327ef2af2770d9c9b4945bd2e3', '3.14.246.254', '1713499807', '1713499807', '/product_info.php/language/de/info/p2973_Philippinen-2-Reliefkarte.html')

[XT SQL Error]