Hello all,
When I run the command: sudo apt update
I get this error:
$ sudo apt update
Ign:1 http://debianmirror.nkn.in/debian stretch InRelease
Hit:2 http://debianmirror.nkn.in/debian stretch-updates InRelease
Hit:3 http://debianmirror.nkn.in/debian stretch
Release
Hit:4 http://security.debian.org/debian-security stretch/updates
InRelease
Ign:6 http://ppa.edx.org stretch
InRelease
Err:7 http://ppa.edx.org stretch Release
403 Forbidden
Reading package lists... Done
E: The repository 'http://ppa.edx.org stretch Release' does not have a
Release file.
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.
Can someone help me out.
Thank you
