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', 'bea0281d288f28c1b3f87a4df7b539e5', '3.141.193.158', '1713467586', '1713467586', '/product_info.php/language/de/info/p3197_Austria-Relief-Map.html')

[XT SQL Error]