Report Painter - Field not found in Library 0FL

Hi Gurus

I am working of Report Painter In ECC 6.0 System, My client requirement is Income Statement and Balance sheet Period wise.

I have used the table FAGLFLEXT, here the Issue is i am not able to get opening Balance field for balance sheet items, Balance Carry forward field exist in FAGLFLEXT, but it is not showing in My library, i dot know how to add that field (HSLVT)