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', 'ec72171498c9c9cbf8181dc6ab0a029a', '3.238.174.191', '1713139236', '1713139236', '/product_info.php/info/p2846_Satellitenbild-Poster-Konfigurator.html?refID=1')

[XT SQL Error]