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', '9c1676a98ff61dcdde507327a64c77dd', '3.227.252.87', '1711623256', '1711623256', '/product_info.php/language/de/info/p1710_Die-Bahamas-Satellitenbild.html')

[XT SQL Error]