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', 'a1e16e5195aed9dca393351e8e2a8de2', '3.92.1.156', '1711714072', '1711714072', '/product_info.php/language/en/info/p3546_Guadeloupe-Reliefkarte.html')

[XT SQL Error]