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', '1bce43b99fc833f0d9e1390e38ea8a30', '18.218.172.249', '1714079933', '1714079933', '/product_info.php/info/p3564_Ist-Faeroeer--3-Reliefkarte.html')

[XT SQL Error]