[Bug 1241240] Re: Fail to dist-upgrade to 13.10

[Brian Murray]

Thank you for taking the time to report this bug and helping to make
Ubuntu better. Please execute the following command, as it will
automatically gather debugging information, in a terminal:

  apport-collect 1241240

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

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https://bugs.launchpad.net/bugs/1241240

Title:
  Fail to dist-upgrade to 13.10

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

Bug description:
  Comes up with error...
  Could not calculate the upgrade
  An unresolvable problem occurred while calculating the upgrade. This can be caused by: * Upgradeing to a pre release version of Ubuntu * Unofficial software packages not provided by Ubuntu.

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