System.InvalidOperationException: Client found response content type of 'text/html', but expected 'text/xml'.

   at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
   at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
   at Rsdn.Janus.WebService.JanusSvc.Sync(JanusRequest req)
   at Rsdn.Janus.Synchronizer.GetJanusResponse(JanusSvc svc, JanusRequest svcReq)
   at Rsdn.Janus.Synchronizer.SyncForums(JanusSvcEx svc)