Sorry, now I have another problem: I can not get the nightly version

When I do:
sudo apt-add-repository ppa:mutlaqja/indinightly
sudo apt-get update
sudo apt-get install indi-full kstars-bleeding gsc

Then I get as result:
E: Paket indi-full kann nicht gefunden werden.
E: Paket kstars-bleeding kann nicht gefunden werden.
E: Paket gsc kann nicht gefunden werden.

==> Sorry for the German: That means all 3 packages can not be found.

Any idea why?

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