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', '560e796812bf82797c6ca08e9a672034', '3.139.97.157', '1713438167', '1713438167', '/product_info.php/language/en/info/p3999_Europa-Reliefkarte.html')

[XT SQL Error]