Gimp Update Error 4.x InRelease changed its Label value from gimp to gimp stable

[Xotty]

Hi,

I am noob here and I could not even foundwhere I can open a new forum topic. Searched for hours. Is this something newbies can't do yet?
I really live Linux Lite so I finally did a clear install on my laptop. Everyting working fine after some tuning but started to have update issues a day ago very similar to this one.

"===========================
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://gb.archive.ubuntu.com/ubuntu focal InRelease
Hit:2 http://ppa.launchpad.net/remmina-ppa-tea...ext/ubuntu focal InRelease
Hit:3 http://archive.canonical.com/ubuntu focal InRelease
Hit:4 http://gb.archive.ubuntu.com/ubuntu focal-updates InRelease
Hit:5 http://gb.archive.ubuntu.com/ubuntu focal-backports InRelease
Ign:6 http://ppa.launchpad.net/richardgv/compton/ubuntu focal InRelease
Hit:7 http://gb.archive.ubuntu.com/ubuntu focal-security InRelease
Err:8 http://ppa.launchpad.net/richardgv/compton/ubuntu focal Release
  404  Not Found [IP: 91.189.95.85 80]
Hit:9 http://dl.google.com/linux/chrome/deb stable InRelease
Hit:10 https://packages.microsoft.com/repos/ms-teams stable InRelease
Hit:11 http://repo.linuxliteos.com/linuxlite emerald InRelease
Reading package lists...
E: The repository 'http://ppa.launchpad.net/richardgv/compton/ubuntu focal Release' does not have a Release file.
"

Followed this topic but did not work for me. What am I missing?
Thanks in advance.