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', '229b1bd5be5a71fa6cd5fac6a9522e53', '216.73.216.145', '1761040718', '1761040718', '/product_info.php/info/p1646_Bosnien-Satellitenbild.html')

[XT SQL Error]