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', '8090f6f5b9ab6acedec586852d280644', '3.22.181.209', '1713504777', '1713504777', '/product_info.php/language/de/info/p3993_Europa-Reliefkarte.html')

[XT SQL Error]