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', '50fec21067bb4ba94f7d8777c6cf0ae4', '216.73.216.3', '1766013758', '1766013758', '/product_info.php/info/p2858_Argentinien-Reliefkarte.html')

[XT SQL Error]