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', '54149a9c28f38f4e04e84ed781b23a94', '52.14.221.113', '1713561690', '1713561690', '/product_info.php?info=p246_Dream-Melody.html&XTCsid=c369fbc9bc0a436cd7cf3685aed78598')

[XT SQL Error]