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', '17ba9b3bff69069f4eff211a1849a71e', '3.147.42.168', '1713587227', '1713587227', '/product_info.php/info/p3489_Dominikanische-Republik-Reliefkarte.html')

[XT SQL Error]