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', '513720b9d08305e4f4474eeac921b91b', '216.73.216.3', '1766033765', '1766033765', '/product_info.php/info/p1716_Guadeloupe-Satellitenbild.html')

[XT SQL Error]