FCCS _Closing balance data summing up both Managed Data and Data Input

We have an use case wherein Periodic data was loaded thro DM for historical period which is getting added up to the YTD TB data loaded at Data Input(SV Uploads) post go live resulting in incorrect data at YTD level.

To explain this in detail

a) Periodic TB data is loaded for historical period ( until Feb 2025)through DM at Managed Data Source.

b) Post Go live- Business to load YTD TB ( Mar 2025 onwards ) at YTD_Input member through SV upload. Data for BS Accounts to be loaded at Closing Balance_Input movement member and PL accounts to be loaded to specific movement defined in the attributes.