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', '1ac198d4e487c749e8bbf6cc25dd0ac3', '18.222.200.143', '1714156777', '1714156777', '/product_info.php/info/p2917_Kenia-Reliefkarte.html')

[XT SQL Error]