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', '2b85d4c47eda1ec6f1239a99fbaaa616', '3.142.171.180', '1713548322', '1713548322', '/products_new.php?XTCsid=42f56783889520011baaa0c109b43aca')

[XT SQL Error]