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', 'a0c85ddd9be03ef397d8fc3298cfe6a7', '216.73.216.251', '1752522317', '1752522317', '/product_info.php/language/en/info/p1571_Deutschland-Satellitenbild.html')

[XT SQL Error]