mapquest_error

{
  "results": [
    {
    "locations": []
    }
  ],
  "info": {
    "copyright": {
      "text": "© 2012 MapQuest, Inc.",
      "imageUrl": "http://api.mqcdn.com/res/mqlogo.gif",
      "imageAltText": "© 2012 MapQuest, Inc."
    },
    "statuscode": 500,
    "messages": ["Error processing request: ..."]
  }
}