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', '3e143147412b785dbf73c87a8e0dd4c9', '216.73.216.145', '1761003769', '1761003769', '/product_info.php/language/de/info/p3443_Austria-Relief-Map.html')

[XT SQL Error]