Install Updates Error log

[peter]

===========================
Install Updates Error log
===========================
Install Updates could not fetch the package cache information lists.
Go to https://www.freecinema2022.gq/forums/ and paste the log below into a new or existing thread for assistance.

============ Log ===========

Hit:1 http://mirror.unlockforus.com/linuxlite citrine InRelease
Hit:2 http://us.archive.ubuntu.com/ubuntu xenial InRelease
Get:3 http://us.archive.ubuntu.com/ubuntu xenial-security InRelease [107 kB]
Ign:4 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial InRelease
Hit:5 http://archive.canonical.com xenial InRelease
Get:6 http://us.archive.ubuntu.com/ubuntu xenial-updates InRelease [109 kB]
Get:7 http://us.archive.ubuntu.com/ubuntu xenial-proposed InRelease [258 kB]
Get:8 http://us.archive.ubuntu.com/ubuntu xenial-backports InRelease [107 kB]
Hit:9 http://ppa.launchpad.net/nemh/systemback/ubuntu xenial InRelease
Hit:10 http://ppa.launchpad.net/otto-kesselgulasch/gimp/ubuntu xenial InRelease
Hit:11 http://ppa.launchpad.net/ubuntu-wine/ppa/ubuntu xenial InRelease
Ign:12 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial Release
Ign:13 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main amd64 Packages
Ign:14 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main i386 Packages
Ign:15 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main all Packages
Ign:16 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en_US
Ign:17 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en
Ign:13 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main amd64 Packages
Ign:14 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main i386 Packages
Ign:15 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main all Packages
Ign:16 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en_US
Ign:17 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en
Ign:13 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main amd64 Packages
Ign:14 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main i386 Packages
Ign:15 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main all Packages
Ign:16 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en_US
Ign:17 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en
Ign:13 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main amd64 Packages
Ign:14 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main i386 Packages
Ign:15 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main all Packages
Ign:16 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en_US
Ign:17 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en
Ign:13 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main amd64 Packages
Ign:14 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main i386 Packages
Ign:15 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main all Packages
Ign:16 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en_US
Ign:17 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en
Err:13 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main amd64 Packages
  404  Not Found
Ign:14 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main i386 Packages
Ign:15 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main all Packages
Ign:16 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en_US
Ign:17 http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial/main Translation-en
Fetched 581 kB in 6s (86.2 kB/s)
Reading package lists...
W: The repository 'http://ppa.launchpad.net/heyarje/libav-11/ubuntu xenial Release' does not have a Release file.
E: Failed to fetch http://ppa.launchpad.net/heyarje/libav-1...4/Packages  404  Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.