Error while trying to install sublime

[mandavamunna]

Seeing the belo error after giving
sudo apt-get update
Hit:1 http://in.archive.ubuntu.com/ubuntu focal InRelease

Err:6 http://ppa.launchpad.net/webupd8team/sublime-text-3/ubuntu focal Release
404 Not Found [IP: 91.189.95.83 80]

N: Updating from such a repository can’t be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.

[bschaaf]

Neither of those repositories are from us. I’d suggest using the official repositories here: https://www.sublimetext.com/docs/3/linux_repositories.html