title: Autodesk Forge Model Derivative API: TranslationWorker-InternalFailure
body: <p>I am attempting to translate an .rvt file to svf using the following call using the model derivative forge api. I am uploading a single rvt file and the file is not corrupt</p>
  
  <pre><code>POST /modelderivative/v2/designdata/job HTTP/1.1
  Host: developer.api.autodesk.com
  Authorization: Bearer 
  Content-Type: application/json; charset=utf-8
  x-ads-force: true
  Cache-Control: no-cache
  Postman-Token: a05c2308-6b4f-7a3f-57b0-2916f25d0157
  
  {
      "input": {
          "urn": "dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6Zm9yZ2V0ZXN0c3AvV0lMRC5ydnQ=",
          "compressedUrn": true,
          "rootFilename": "WILD.rvt"
      },
      "output": {
          "destination": {
              "region": "us"
          },
          "formats": [
          {
              "type": "svf", 
              "views": ["2d"]
          }]
      }
  }
  </code></pre>
  
  <p>Here is the response I get. Not sure what is wrong. Please help</p>
  
  <pre><code>{
      "type": "manifest",
      "hasThumbnail": "false",
      "status": "failed",
      "progress": "complete",
      "region": "US",
      "urn": "dXJuOmFkc2sub2JqZWN0czpvcy5vYmplY3Q6Zm9yZ2V0ZXN0c3AvV0lMRC5ydnQ",
      "version": "1.0",
      "derivatives": [
          {
              "name": "LMV Bubble",
              "hasThumbnail": "false",
              "status": "failed",
              "progress": "complete",
              "messages": [
                  {
                      "type": "error",
                      "message": "Tr worker fail to download.",
                      "code": "TranslationWorker-InternalFailure"
                  }
              ],
              "outputType": "svf"
          }
      ]
  }
  </code></pre>