Strange Error

Haven't made any changes to my site other then a few themes and i logged into Google webmasters today to get this error from them

- URL restricted by robots.txt
We encountered an error while trying to access your Sitemap. Please ensure your Sitemap follows our guidelines and can be accessed at the location you provided and then resubmit.
Heres my robots.txt

Code:

User-Agent: *
Disallow: /articlerss
Disallow: /blogrss
Disallow: /tmp
Disallow: /attachments
Disallow: /cache
Disallow: /newsrss
Disallow: /newsrss.php
Disallow: /blogrss.php
Disallow: /articlerss.php

(dont shoot me, i know i dont have all the vBulletin stuff blocked )

What is the sitemap URL you submit?

http://maddengods.org/sitemap_index.xml.gz


I've deleted my robots.txt for the time being, but it seems google may store a copy of it for 24hrs.

Ok, let us know how it goes.