anchor.diff:  			MFA = [ocs, query_service, [MatchId, MatchProduct]],
   			case supervisor:start_child(ocs_rest_pagination_sup, [MFA]) of
   				{ok, PageServer, Etag} ->
  -               query_page(PageServer, Etag, Query, Filters, RangeStart, RangeEnd);
  -            {error, _Reason} ->
  -               {error, 500}
  -         end
  +					query_page(PageServer, Etag, Query, Filters, RangeStart, RangeEnd);
  +				{error, _Reason} ->
  +					{error, 500}
  +			end
   	catch
   		_ ->
   			{error, 400}
  
positive.code: 	query_page2(Acc, Filters, T).
  %% @hidden
  query_page2([], _, Acc) ->
     lists:reverse(Acc);
  query_page2(Json, [], Acc) ->
  	lists:reverse(Json ++ Acc);
  query_page2([H | T], Filters, Acc) ->
  
negative.code: get_inventories(Query, Headers) ->
  	case lists:keytake("fields", 1, Query) of
  		{value, {_, Filters}, NewQuery} ->
  			get_inventories1(NewQuery, Filters, Headers);
  		false ->
  			get_inventories1(Query, [], Headers)
  	end.
  %% @hidden
  get_inventories1(Query, Filters, Headers) ->
  