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', 'b7fdf9c02c4c71f8f85b348c129a6a04', '3.142.197.212', '1714007217', '1714007217', '/product_info.php/info/p2626_Tuerkei-Reliefkarte.html')

[XT SQL Error]