System.UriFormatException: Invalid URI: The hostname could not be parsed.
   at System.Uri.CreateThis(String uri, Boolean dontEscape, UriKind uriKind)
   at System.Net.WebRequest.Create(String requestUriString)
   at ImageResizer.ProcessRequest(HttpContext context) in c:\Web\CMS2018\ImageRepository\Utils\ImageResizer.ashx:line 111