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', '1a821f791cc4d8d8c9b3403919a3d0d7', '18.204.56.185', '1659980138', '1659980138', '/product_info.php/info/p436_3D-Satellitenbild-Konfigurator.html')

[XT SQL Error]