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', '67aee981cc06a56d2df4fdf6ffc112ac', '3.230.128.106', '1710842994', '1710842994', '/shop_content.php/language/en/coID/7/content/Kontakt')

[XT SQL Error]