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', '0a80380fd38cecb3f5925cd83f5b9b8c', '216.73.216.3', '1767615184', '1767615184', '/product_info.php?info=p3387_Thailand-Reliefkarte.html')

[XT SQL Error]