Anything but a new chain on new cassette = chattery… The other way round, with new chain on old cassette is less of a problem, but new cassette should almost always = new chain OR put up with the chatter until it wears.
Anything but a new chain on new cassette = chattery… The other way round, with new chain on old cassette is less of a problem, but new cassette should almost always = new chain OR put up with the chatter until it wears.