error message

System.Xml.XmlException was unhandled
  Message=Root element is missing.
  Source=AWSSDK
  LineNumber=0
  LinePosition=0
  SourceUri=""
  StackTrace:
       at System.Xml.XmlTextReaderImpl.ThrowWithoutLineInfo(String res)
       at System.Xml.XmlTextReaderImpl.ParseDocumentContent()
       at Amazon.Runtime.Internal.Transform.XmlUnmarshallerContext.Read()
       at Amazon.Runtime.Internal.Transform.ErrorResponseUnmarshaller.Unmarshall(XmlUnmarshallerContext context)
       at Amazon.Runtime.Internal.Transform.JsonErrorResponseUnmarshaller.Unmarshall(JsonUnmarshallerContext context)
       at Amazon.Kinesis.Model.Internal.MarshallTransformations.PutRecordResponseUnmarshaller.UnmarshallException(JsonUnmarshallerContext context, Exception innerException, HttpStatusCode statusCode)
       at Amazon.Runtime.Internal.Transform.JsonResponseUnmarshaller.UnmarshallException(UnmarshallerContext input, Exception innerException, HttpStatusCode statusCode)
       at Amazon.Runtime.AmazonWebServiceClient.HandleHttpWebErrorResponse(AsyncResult asyncResult, WebException we)
       at Amazon.Runtime.AmazonWebServiceClient.getRequestStreamCallback(IAsyncResult result)
       at Amazon.Runtime.AmazonWebServiceClient.endOperation[T](IAsyncResult result)
       at Amazon.Kinesis.AmazonKinesisClient.EndPutRecord(IAsyncResult asyncResult)
       at Amazon.Kinesis.AmazonKinesisClient.PutRecord(PutRecordRequest putRecordRequest)
       at AwsConsoleApp1.Program.GetServiceOutput(String input) in d:\users\z0038cwn\visual studio 2010\Projects\AwsConsoleApp1\AwsConsoleApp1\Program.cs:line 61
       at AwsConsoleApp1.Program.Main(String[] args) in d:\users\z0038cwn\visual studio 2010\Projects\AwsConsoleApp1\AwsConsoleApp1\Program.cs:line 30
       at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly, String[] args)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean ignoreSyncCtx)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()
  InnerException: