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', '1d91eae635b22786c38951030722d8ed', '3.235.65.220', '1664485886', '1664485886', '/product_info.php/info/p2846_Satellitenbild-Poster-Konfigurator.html?refID=1')

[XT SQL Error]