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', 'ecd3b0d58f525487cd7bb051dcb8fda3', '3.235.227.36', '1711669777', '1711669777', '/product_info.php/info/p3060_Isle-of-Man-Reliefkarte.html')

[XT SQL Error]