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.
Network unreachable: robots.txt unreachableWe were unable to crawl your Sitemap because we found a robots.txt file at the root of your site but were unable to download it. Please ensure that it is accessible or remove it completely.
Sep 11, 2016
This is the message and since I have no acess thru Godaddy to my files please fix it asap
@Cheryl2if you are using WordPress, then you can change it yourself. In your WordPress dashboard, go to Settings -> Reading and make sure the checkbox under Search Engine Visibility is not checked. That's what changes the robot.txt file in WordPress.
If you're not using WordPress, then you need to look for the robot.txt file in your web site files and makes some changes there. Check out this article for a good explanation: https://moz.com/learn/seo/robotstxt