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', '3d79eaf842812bb4f21021fb55b89a68', '216.73.216.109', '1765868838', '1765868838', '/product_info.php/language/de/info/p1749_Solomon-Is--7-Satellite-Image.html')

[XT SQL Error]