anchor.diff:  	NewIPDR = IPDR#ipdr_wlan{username = Username},
   	ipdr_wlan1(T, radius, TimeStamp, stop, Req, Resp, Rated, NewIPDR);
   ipdr_wlan1([username | T], diameter, TimeStamp, stop,
  -		#'3gpp_ro_CCR'{'Subscription-Id' = [SubscriptionID]} = Req, Resp,
  +		#'3gpp_ro_CCR'{'Subscription-Id' = [SubscriptionID, _]} = Req, Resp,
   		Rated, IPDR) ->
   	case SubscriptionID of
   		#'3gpp_ro_Subscription-Id'{'Subscription-Id-Data' = Subscriber} ->
  
positive.code: 		IPDRWlan :: #ipdr_wlan{}.
  %% @doc CODEC for IPDR Wlan
  ipdr_wlan(Protocol, TimeStamp, ReqType, Req, Res, Rated) ->
  	ipdr_wlan1(record_info(fields, ipdr_wlan), Protocol, TimeStamp,
  			ReqType, Req, Res, Rated, #ipdr_wlan{}).
  %% @hidden
  
negative.code: 		undefined ->
  			<<>>;
  		US ->
  			US
  	end,
  	Sess = case I#ipdr_wlan.acctSessionId of
  		undefined ->
  