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', '661d26b0e8a4edc47daf6ac55f53682f', '3.139.104.214', '1714135424', '1714135424', '/product_info.php/language/de/info/p3988_Asien-Reliefkarte.html')

[XT SQL Error]