1054 - Unknown column 'http_referer' in 'field list'

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url, http_referer) values ('', 'Guest', '3cad95da3917ac3be3a5d3c72f345442', '23.20.223.212', '1531956556', '1531956556', '/shop_content.php?language=de&coID=10', '')

[XT SQL Error]