anchor.diff:  	    ok;
   	{error, E} ->
   	    {error, E};
  -	_ ->
  +	Unknown ->
  +	    logger:log(debug, "Transaction layer: Failed storing stateless response branch, gen_server call result :~n~p",
  +		       [Unknown]),
   	    {error, "Transaction layer failure"}
       end.
   
  
positive.code: 		    TPid;
  		_ ->
  		    none
  	    end
      end.
  
  get_client_transaction(response, Response, TStateList) ->
  
negative.code:     TH#thandler.pid;
  get_pid_from_handler(_) ->
      none.
  
  send_challenge_request(Request, Type, Stale, RetryAfter) when record(Request, request) ->
      CompatRequest = {Request#request.method, Request#request.uri, Request#request.header, Request#request.body},
      send_challenge_request(CompatRequest, Type, Stale, RetryAfter);
  
  send_challenge_request(Request, Type, Stale, RetryAfter) ->
      TH = transactionlayer:get_handler_for_request(Request),
  