" believe you have mad a mistake in processing my DNA. How can I have this verufued?"
These message boards are for discussions among customers. Ancestry.com employees do not monitor them. If you have a concern about your test you will have to contact Ancestry customer service.
You should be aware that ethnicity estimates, especially for those with European ancestry, are very uncertain. It is not at all unusual for them not to match a known family tree. See:
http://www.legalgenealogist.com/blog/2015/02/22/making-the-b...