I am facing an issue while trying to fetch data from GoogleAnalytics API on piece of code that has been working well just a couple of days ago.
For this I am referencing
Please make sure you registered your project in the APIs Console and you are sending the API Key with your requests.
If that is not the issue, inspecting the inner exception will give you more details about the error. As an alternative, you can use Fiddler to capture the HTTP request and the response. The latter will include a more descriptive error message.
I have the same problem and it looks like google recently shut down the feed. It is answered in another post. Issue com.google.gdata.util.ResourceNotFoundException: Not Found with Google Analytic