Hello, when I start the upgrade the packages are updated and then this error comes.
Fetched 162 kB in 2s (59.2 kB/s)
W: Failed to fetch http://ftp.informatik.rwth-aac…retch/main/source/Sources 404 Not Found
W: Failed to fetch http://ftp.informatik.rwth-aac…ain/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://ftp.informatik.rwth-aac…dates/main/source/Sources 404 Not Found
W: Failed to fetch http://ftp.informatik.rwth-aac…es/contrib/source/Sources 404 Not Found
W: Failed to fetch http://ftp.informatik.rwth-aac…s/non-free/source/Sources 404 Not Found
W: Failed to fetch http://ftp.informatik.rwth-aac…ain/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://ftp.informatik.rwth-aac…rib/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://ftp.informatik.rwth-aac…ree/binary-amd64/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
What can i do?
Mfg
ed_2
I entered another source in the source.list then it worked
http://ftp.halifax.rwth-aachen.de/debian/