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', 'ab7e030d827a0bcf25e7c1b1a60b8063', '216.73.216.142', '1758233377', '1758233377', '/product_info.php/language/de/info/p3982_Asia-Satellite-Image.html')

[XT SQL Error]