anchor.diff:                           [] -> [{error, "parallelDBAndViewCompaction", <<"parallelDBAndViewCompaction is missing">>}];
                            X -> X
                        end,
  -    PeriodTimeResults = parse_and_validat_time_interval("allowedTimePeriod",
  +    PeriodTimeResults = parse_and_validate_time_interval("allowedTimePeriod",
                                                           Params),
       PurgeIntervalResults = (mk_number_field_validator(0.04, 60, Params, list_to_float))({"purgeInterval", purge_interval, "metadata purge interval"}),
   
  
positive.code:             end
      end.
  
  parse_and_validat_time_interval(JSONName, Params) ->
      FromH = JSONName ++ "[fromHour]",
      FromM = JSONName ++ "[fromMinute]",
      ToH = JSONName ++ "[toHour]",
  
negative.code:                          index_circular_compaction_days,
                           "index circular compaction days"}) ++ RV0,
  
      Time0 = parse_and_validate_time_interval("indexCircularCompaction[interval]",
                                              Params),
      TimeResults = case Time0 of
                        [] ->
  