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', '894f0661a9e26ce38af9d7d3e43ddfce', '216.73.216.3', '1764323016', '1764323016', '/product_info.php/info/p1620_Georgia-Satellitenbild.html')

[XT SQL Error]