anchor.diff:  					{ok, #service{product = ProductRef}} ->
   						process_request(Address, Port, DiameterCaps, Request,
   								ocs:find_product(ProductRef));
  -					{error, Reason} ->
  +					{error, _Reason} ->
   						Reply = diameter_error(SId,
   								?'DIAMETER_CC_APP_RESULT-CODE_USER_UNKNOWN',
   								OHost, ORealm, RequestType, RequestNum),
  
positive.code: 		origin_realm = {ORealm, _DRealm}},
  		#'3gpp_gx_CCR'{'Session-Id' = SId,
              'CC-Request-Type' = RequestType,
              'CC-Request-Number' = RequestNum} = Request, {error, Reason}) ->
  	Server = {Address, Port},
  	Reply = diameter_error(SId, ?'DIAMETER_BASE_RESULT-CODE_UNABLE_TO_COMPLY',
  			OHost, ORealm, RequestType, RequestNum),
  
negative.code: 		#'3gpp_gx_CCR'{'Session-Id' = SId,
  				'Auth-Application-Id' = ?Gx_APPLICATION_ID,
  				'CC-Request-Type' = RequestType,
  				'CC-Request-Number' = RequestNum} = Request, {error, _Reason}) ->
  	Server = {Address, Port},
  	Reply = diameter_error(SId, ?'DIAMETER_BASE_RESULT-CODE_UNABLE_TO_COMPLY',
  			OHost, ORealm, RequestType, RequestNum),
  