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', 'e3d5301e8ed9c02318d188849c5c7664', '18.116.40.177', '1713554234', '1713554234', '/product_info.php/language/de/info/p439_Reliefkarten-Konfigurator.html')

[XT SQL Error]