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', 'efb5b37e2fb9b2fbe2e9ef50f181cf4a', '216.73.216.21', '1770104776', '1770104776', '/product_info.php/info/p1560_Somalia-Satellite-Image.html')

[XT SQL Error]