Install Updates Error Log

[JKey]

I just installed Lite5 and failed on my first update . I tried   sudo apt-get --allow-releaseinfo-change update

which worked on 4.6 (from an earlier post) but it doesnt on 5?
LOGFILE
===========================
Install Updates Error log
===========================
Install Updates could not fetch the package cache information lists.
Go to https://www.linuxliteos.com/forums/ and paste the log below into a new or existing thread for assistance.

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

Ign:1 http://ppa.launchpad.net/oguzhaninan/stacer/ubuntu focal InRelease
Hit:2 http://archive.canonical.com/ubuntu focal InRelease
Get:3 http://security.ubuntu.com/ubuntu focal-security InRelease [107 kB]
Err:4 http://ppa.launchpad.net/oguzhaninan/stacer/ubuntu focal Release
  404  Not Found [IP: 2001:67c:1560:8008::15 80]
Hit:5 http://us.archive.ubuntu.com/ubuntu focal InRelease
Get:6 http://us.archive.ubuntu.com/ubuntu focal-updates InRelease [107 kB]
Hit:7 http://repo.linuxliteos.com/linuxlite emerald InRelease
Get:8 http://us.archive.ubuntu.com/ubuntu focal-backports InRelease [98,3 kB]
Reading package lists...
E: The repository 'http://ppa.launchpad.net/oguzhaninan/stacer/ubuntu focal Release' does not have a Release file.