The Orphans’ Court has no subject matter jurisdiction over a petition challenging the validity of an amendment to a trust after the trustee has filed a final account, the account has been approved by the court, the time for appeal has lapsed, and final distribution has been made, because the trust has ceased to exist. In the Matter of: Charles J. Mode, Deceased, 1796 EDA 2024 (Pa. Super. 5/9/2025) (non-precedential).