Reporting; Sub-report showing User Defined details or Parameters shows previous value at the front of Date or Number Ranges

The sub-report showing user Defined details of Parameters, e.g., the Client Details report, User Defined sub-report, shows the previous value at the front of Date or Number Ranges, e.g., If you have a Number parameter with a value of 123, followed by a Number Range parameters with values of 456 and 789, this will display on the report as "123456 - 789" when it should display "456 - 789".