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', 'c67591aef2fccaeaf730d46ad6166ea4', '34.226.208.185', '1550340460', '1550340460', '/shop_content.php?language=de&coID=10', '')

[XT SQL Error]