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', '997898a5642e8eb02d7ef6cc4098e8f8', '3.144.187.103', '1713552299', '1713552299', '/product_info.php/language/en/info/p439_Reliefkarten-Konfigurator.html')

[XT SQL Error]