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', '9c2137039ee307b5858ff06ab263a4f9', '3.21.248.47', '1714191663', '1714191663', '/product_info.php/language/de/info/p1794_Grenada-Satellitenbild.html')

[XT SQL Error]