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', '63429f7465afd5939ba835a50d46f0f1', '3.133.147.87', '1713247920', '1713247920', '/popup_content.php?coID=1&XTCsid=c369fbc9bc0a436cd7cf3685aed78598')

[XT SQL Error]