Install Updates Error (stacer)

[ludo1967]

When I was going to install updates today, I got this message:

===========================
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 ===========

Get:1 file:/usr/lib/expressvpn/repo_mirror.list Mirrorlist [117 B]
Hit:3 https://dl.google.com/linux/chrome/deb stable InRelease
Hit:4 http://archive.ubuntu.com/ubuntu noble InRelease
Get:2 https://repo.expressvpn.com/public/deb/debian any-version InRelease [4,580 B]
Hit:5 https://ppa.launchpadcontent.net/mozillateam/ppa/ubuntu noble InRelease
Hit:6 http://archive.ubuntu.com/ubuntu noble-security InRelease
Hit:7 https://packages.mozilla.org/apt mozilla InRelease
Ign:8 https://ppa.launchpadcontent.net/oguzhan...cer/ubuntu noble InRelease
Hit:9 https://ppa.launchpadcontent.net/yannubu...air/ubuntu noble InRelease
Hit:10 http://archive.ubuntu.com/ubuntu noble-updates InRelease
Err:11 https://ppa.launchpadcontent.net/oguzhan...cer/ubuntu noble Release
  404  Not Found [IP: 185.125.190.80 443]
Hit:12 http://archive.ubuntu.com/ubuntu noble-backports InRelease
Hit:13 http://repo.linuxliteos.com/linuxlite galena InRelease
Reading package lists...
E: The repository 'https://ppa.launchpadcontent.net/oguzhaninan/stacer/ubuntu noble Release' does not have a Release file.
W: https://ppa.launchpadcontent.net/mozilla.../InRelease: Signature by key 0AB215679C571D1C8325275B9BDB3D89CE49EC21 uses weak algorithm (rsa1024)


So now was that done.. Can somebody help me. I am not so good at Linux yet but I am learning.