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', '8c2e114ac2128c164834614d427e0413', '3.236.27.143', '1685262701', '1685262701', '/product_info.php/info/p10_3D-Druck.html')

[XT SQL Error]