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', 'd21b9ecbc22fbfe6391ed309689cdcf0', '3.21.104.109', '1713414580', '1713414580', '/product_info.php/language/de/info/p1674_Belize-Satellitenbild.html')

[XT SQL Error]