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', '9e9599842988ca09dea641f96ef803f2', '54.166.223.204', '1711615923', '1711615923', '/product_info.php/language/de/info/p1824_The-Bahamas-13-Satellite-Image.html')

[XT SQL Error]