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', '1e994a89b762716b0309aacf0b28e7c1', '216.73.216.108', '1763431491', '1763431491', '/product_info.php/language/en/info/p435_Satellite-Image-Configurator.html')

[XT SQL Error]