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', '9a2007c1ec44a0a8984231a4a45c0439', '216.73.216.3', '1766044059', '1766044059', '/product_info.php/info/p1594_Greece-Satellite-Image.html')

[XT SQL Error]