How to resolve WARNING: The stream has AES-128 encryption and pycryptodomex is not available; extraction will be delegated to ffmpeg

[Chatsaa]

I m facing an issue when I m donwloading can u tell me some solution

WARNING: The stream has AES-128 encryption and pycryptodomex is not available; extraction will be delegated to ffmpeg

And also provide downloadable file size in dvd and other apps