1366 - Incorrect integer value: '' for column `shop_db3`.`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', '96c8fc3162c56b5d39acd9e59cd9424b', '3.16.81.94', '1713518608', '1713518608', '/shop_content.php?coID=9&XTCsid=90527aa2d529d2491dd707c19574b114')

[XT SQL Error]