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', 'f7e1a7edc301e72df8992c2ae2243d58', '18.220.233.242', '1716118112', '1716118112', '/product_info.php/language/en/info/p3201_Kroatien-Reliefkarte.html')

[XT SQL Error]