stdClass #6e89
_LoginClientResult => FALSE
userId => 0
errorCode => "System.NullReferenceException: Object reference not set to an instance of an object.
   at Cz.Brain.Cardin.Integration.WebService.QueryManager.ClearDC ... " (480)
contextGuid => "00000000-0000-0000-0000-000000000000" (36)