Clearing override data and clearing data for multiple years

Summary:

Hi this query is related to clear override data and regular data.
there is a requirement that client has to clear data for 5 years for Dec period as a part of Budget and Forecast cycle.

For clearing override data,

a) when we select FCCS_Amount Override and run copy data profile with override data check box selected, system prompts an error "Invalid Input member"
b) when level 0 descendants of FCCS_Overrides is selected then although clear data job is successful , actually override data is not getting cleared.

For clearing regualr data for multiple years for Dec period,
its restricted to select multiple years in clear data profile.