System.UriFormatException: Invalid URI: The URI is empty.
   at System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind)
   at System.Net.WebRequest.Create(String requestUriString)
   at PRIO.CultureAndConflict.Utility.CrossDomain.ProcessRequest(HttpContext context) in C:\Code\PRIO.MessageBus\PRIO.CultureAndConflict\Utility\CrossDomain.ashx.cs:line 23