Case Closed Benefit receive by other means

[[email protected]]

Hello, everyone i apple for Green Card.
I had to apply for my dad Advance Parole medical emergency local USCIS in Omaha issue for him Advance Parole same day. After couple days 9 days ago i got mail from USCIS his form I-765 was closed benefit receive by other means, and next mail was again from USCIS saying his medical expire when they had interview he have to bring with him his medical exam again.
Cannot call USCIS because they not gonna provide for me any information.