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', 'feb3334c88f3169b9c5a950099910a81', '18.222.113.111', '1714074286', '1714074286', '/product_info.php/language/de/info/p3224_Estonia-Relief-Map.html')

[XT SQL Error]