Error during update omv3.x please help
- W: Failed to fetch http://debian.proxad.net/debian/dists/jessie-updates/InRelease Unable to find expected entry 'main/source/Sources' in Release file (Wrong sources.list entry or malformed file)
- W: Failed to fetch http://httpredir.debian.org/debian/dists/jessie-backports/main/binary-amd64/Packages 404 Not Found
- W: Failed to fetch http://httpredir.debian.org/debian/dists/jessie-backports/contrib/binary-amd64/Packages 404 Not Found
- W: Failed to fetch http://httpredir.debian.org/debian/dists/jessie-backports/non-free/binary-amd64/Packages 404 Not Found
- W: Failed to fetch https://downloads.plex.tv/repo/deb/dists/./public/main/binary-amd64/Packages Hash Sum mismatch
- E: Some index files failed to download. They have been ignored, or old ones used instead.