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', '1a6bba39bb93fbc0075e234f7584ad7c', '3.140.185.147', '1713946852', '1713946852', '/product_info.php/language/de/info/p10_3D-Print.html')

[XT SQL Error]