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', '023d231ef83d351dde761df14ba8d497', '216.73.216.150', '1762220885', '1762220885', '/product_info.php/info/p1769_Palau-Satellite-Image.html')

[XT SQL Error]