Malformed log message

[Aaronontheweb]

Cause: System.FormatException: Received a malformed formatted message. Log level: [DebugLevel], Template: [Azure table storage wrote entity with status code [{1}]], args: [204]
 ---> System.FormatException: Index (zero based) must be greater than or equal to zero and less than the size of the argument list.
   at System.Text.StringBuilder.AppendFormatHelper(IFormatProvider provider, String format, ParamsArray args)
   at System.String.FormatHelper(IFormatProvider provider, String format, ParamsArray args)
   at System.String.Format(String format, Object[] args)
   at Akka.Event.DefaultLogMessageFormatter.Format(String format, Object[] args)
   at Akka.Event.LogMessage.ToString()
   at System.Text.StringBuilder.AppendFormatHelper(IFormatProvider provider, String format, ParamsArray args)
   at System.String.FormatHelper(IFormatProvider provider, String format, ParamsArray args)
   at System.String.Format(String format, Object[] args)
   at Akka.Event.LogEvent.ToString()
   at Akka.TestKit.Xunit2.Internals.TestOutputLogger.HandleLogEvent(LogEvent e)
   --- End of inner exception stack trace ---
   at Akka.TestKit.Xunit2.Internals.TestOutputLogger.HandleLogEvent(LogEvent e)
   at lambda_method(Closure , Object , Action`1 , Action`1 , Action`1 , Action`1 , Action`1 )
   at Akka.Tools.MatchHandler.PartialHandlerArgumentsCapture`6.Handle(T value)
   at Akka.Actor.ReceiveActor.ExecutePartialMessageHandler(Object message, PartialAction`1 partialAction)
   at Akka.Actor.ReceiveActor.OnReceive(Object message)
   at Akka.Actor.UntypedActor.Receive(Object message)
   at Akka.Actor.ActorBase.AroundReceive(Receive receive, Object message)
   at Akka.Actor.ActorCell.ReceiveMessage(Object message)
   at Akka.Actor.ActorCell.Invoke(Envelope envelope)