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', 'ac04e2690bf9b01fcc9ab084c084ed0a', '216.73.216.8', '1757737848', '1757737848', '/product_info.php/info/p1742_Vanuatu-10-Satellite-Image.html')

[XT SQL Error]