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', '25f85b6222d8257cb23488309a5c0c5b', '3.135.183.187', '1713961624', '1713961624', '/product_info.php/language/en/info/p3105_Norwegen-Reliefkarte.html')

[XT SQL Error]