[Bug 1242592] Re: Cannot upgrade from kubuntu 13.04 to 13.10 it shows "Error could not calculate the upgrade"

[Jean-Baptiste Lallement]

Thanks for taking the time to report this bug and helping to make Ubuntu
better. Could you please add the log files from '/var/log/dist-upgrade/'
to this bug report as separate attachments? Thanks in advance.

** Changed in: ubuntu-release-upgrader (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1242592

Title:
  Cannot upgrade from kubuntu 13.04 to 13.10 it shows "Error could not
  calculate the upgrade"

Status in “ubuntu-release-upgrader” package in Ubuntu:
  Incomplete

Bug description:
  Though Kubuntu 13.10 is released but during upgrade it shows an error
  "Could not calculate the upgrade An unresolvable problem occurred
  while calculating the upgrade. This can be caused by: * Upgrading to
  pre-release version of Ubuntu * Running the current pre-release of
  Ubuntu * Unofficial software packages not provided by Ubuntu If none
  of this applies, then please report this bug using the command
  'ubuntu-bug ubuntu-release-upgrader-code' in a terminal."

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