Can anyone help with the following when doing a sudo apt update?
Hit:1 http://au.archive.ubuntu.com/ubuntu oracular InRelease
Hit:2 http://au.archive.ubuntu.com/ubuntu oracular-updates InRelease
Hit:3 http://au.archive.ubuntu.com/ubuntu oracular-backports InRelease
Hit:4 http://security.ubuntu.com/ubuntu oracular-security InRelease
Ign:5 https://ppa.launchpadcontent.net/appimagelauncher-team/stable/ubuntu oracular InRelease
Err:6 https://ppa.launchpadcontent.net/appimagelauncher-team/stable/ubuntu oracular Release
404 Not Found [IP: 185.125.190.80 443]
Error: The repository 'https://ppa.launchpadcontent.net/appimagelauncher-team/stable/ubuntu oracular Release' does not have a Release file.
Notice: Updating from such a repository can't be done securely, and is therefore disabled by default.
Notice: See apt-secure(8) manpage for repository creation and user configuration details.
