Failed to download repository information in update manager
- by user95092
Details
W:Failed to fetch *http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/precise/main/source/Sources 404 Not Found
, W:Failed to fetch *http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/precise/main/binary-amd64/Packages 404 Not Found
, W:Failed to fetch *http://ppa.launchpad.net/jonls/redshift-ppa/ubuntu/dists/precise/main/binary-i386/Packages 404 Not Found
, E:Some index files failed to download. They have been ignored, or old ones used instead.
Whats causing this and how to fix it?
Ty
Regards