[Bug 981884] Re: kubuntu cannot upgrade from 11.10 to 12.04-pre

[nils]

main.log

** Attachment added: "main.log"
   https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/981884/+attachment/3085632/+files/main.log

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Title:
  kubuntu cannot upgrade from 11.10 to 12.04-pre

Status in “update-manager” package in Ubuntu:
  Incomplete

Bug description:
  Tried the upgrade using kubuntu-devel-release-upgrade on 2012-04-14

  Got the error in the gui saying 
  Could not calcualte the upgrade

  An unresolvable problem occurred while calculating the upgrade:
  E:Error, pkgProbolemResolver::Resolve generated breaks, this may be
  caused by *Upgrading to a prerelease version of Ubuntu *Running the
  current pre-release version of Ubuntu * Uofficial Sw packages not
  provided by ubuntu.

  Any ideas, besides waiting for the release and hoping for the best?

  Thanks
  Nils

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