title: "Expression.Error: The field 'Project Name' already exists in the record" when using PowerBI data source: Visual Studio Team Services (Beta)
body: <p>Our Team is leveraging PowerBI Desktop to extract data from VSTS, but after selecting several of the pre-built views, we receiving the following error:</p>
  
  <blockquote>
    <blockquote>
      <p>Expression.Error: The field 'Project Name' already exists in the record.
      Details:
          Name=Project Name
          Value=</p>
    </blockquote>
  </blockquote>
  
  <p>The error occurs for the following views:
   Stories - [All Views]
   Work Items - [All Views]</p>
  
  <p>But does not appear when using the following views:
   Bugs - [All Views]
   Tasks - [All Views]</p>
  
  <p>The error does not reveal much information as to what is causing the error.  Please help. </p>