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', 'bfa35f3d85a21bc52a31d444d5880b1a', '216.73.216.3', '1767616163', '1767616163', '/product_info.php?info=p1743_Kiribati-Satellitenbild.html')

[XT SQL Error]