It seems like Charlie's Angels (2000) is AACS 2.1, I was able to successfully back up the disc, my oppo 203 bring up the menu, and when I start playing the movie, the player is unable to play the movie, and I'm stuck at the black screen.
Is there anything else that needs to be done? This is my first decrypted backup for a full disc with AACE 2.1
EDIT: This is an error on my side, I had reinstalled MakeMKV and I believe the decrypt backup option was unchecked, doing it again and will report back.
Please post here for issues related to UHD discs