1130: invalid-ref-7-01.xml is not invalid with respect to Ref-7 rule.
The file claimed to be invalid introduces an error in the element calculationPeriodDatesReference of type CalculationPeriodDatesReference, which is an element inside PaymentDates. The error should have been introduced in an identically named element calculationPeriodDatesReference, but of type InterestLegCalculationPeriodDatesReference which is an element inside InterestLegResetDates.