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', 'e72dfee440a17ee1a48a9e87aa4a27aa', '216.73.216.65', '1752612860', '1752612860', '/product_info.php/info/p1632_Benin-Satellitenbild.html')

[XT SQL Error]