1366 - Incorrect integer value: '' for column `db162720`.`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', 'hu8b43rjt5r1fsm9n7j207jlv2', '3.137.192.3', '1713859797', '1713859797', '/shop_content.php/coID/3/content/Allg--Geschaeftsbedingungen')

[XT SQL Error]