Changing the if statement to PeriodType.Range || PeriodType.RangeAlt does not resolve the problem as there is no .RangeAlt under PeriodType. This statement returns a compile error.
if(Bars.Period.Id == PeriodType.Range || Bars.Period.Id == PeriodType.RangeAlt)
and this one returns false
if(Bars.Period.Id == PeriodType.Range)
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