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', '1662b54afc3cf897468ee08d5701f8c5', '3.141.198.146', '1714002142', '1714002142', '/product_info.php/language/de/info/p2631_Angola-Reliefkarte.html')

[XT SQL Error]