Request Error

The server encountered an error processing the request. Please see the service help page for constructing valid requests to the service. The exception message is 'Object reference not set to an instance of an object.'. See server logs for more details. The exception stack trace is:

at System.ServiceModel.Description.WebHttpBehavior.IsXmlSerializerFaultFormat(OperationDescription operationDescription) at System.ServiceModel.Dispatcher.WebErrorHandler.ProvideFault(Exception error, MessageVersion version, Message& fault)