[Bug 1743995] Re: Upgrade 17.04 to 17.10 not possible

[ZdravkoG]

I want to add something else which could be base point (at least in my private case and probably not only). As could be seen from the sources list my install is from 2014. Over the years I make upgrade after 'end of life' release few times without any problems. Now is the first time I have such issue. Should be some reason.
@Jean-Baptiste Lallement Please Help me find this reason! What goes wrong?

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https://bugs.launchpad.net/bugs/1743995

Title:
  Upgrade 17.04 to 17.10 not possible

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  Expected: Upgrade 17.04 to 17.10

  Result: 
  E:The repository 'http://archive.ubuntu.com/ubuntu stable Release' does not have a Release file.

  Also, Upgrade server has a circular reference
  see http://archive.ubuntu.com/ubuntu/ubuntu/ubuntu/ubuntu/ubuntu/ubuntu/...

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