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', 'cddbcc961b04e0f6aad7adce05bd6717', '216.73.216.191', '1758202178', '1758202178', '/product_info.php/info/p3404_Paraguay-Reliefkarte.html')

[XT SQL Error]