[Bug 1260215] [NEW] error message "could not calculate upgrade" came when i was trying to upgrade kubuntu from 13.04 to 13.10. it contained a list of possible causes, none of which applied

[Uday Nakade]

Public bug reported:

the following error message appeared when i was trying to upgrade from
kubuntu 13.04 to 13.10

Could not calculate the upgrade

An unresolvable problem occurred while calculating the upgrade.

 This can be caused by:
 * Upgrading to a pre-release version of Ubuntu
 * Running the current pre-release version 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-core' in a terminal.

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: ubuntu-release-upgrader-core 1:0.192.13
ProcVersionSignature: Ubuntu 3.8.0-34.49-generic 3.8.13.12
Uname: Linux 3.8.0-34-generic i686
ApportVersion: 2.9.2-0ubuntu8.5
Architecture: i386
CrashDB: ubuntu
Date: Thu Dec 12 13:50:38 2013
InstallationDate: Installed on 2013-05-04 (221 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to raring on 2013-12-12 (0 days ago)
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug dist-upgrade i386 raring

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https://bugs.launchpad.net/bugs/1260215

Title:
  error message "could not calculate upgrade" came when i was trying to
  upgrade kubuntu from 13.04 to 13.10. it contained a list of possible
  causes, none of which applied

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

Bug description:
  the following error message appeared when i was trying to upgrade from
  kubuntu 13.04 to 13.10

  Could not calculate the upgrade

  An unresolvable problem occurred while calculating the upgrade.

   This can be caused by:
   * Upgrading to a pre-release version of Ubuntu
   * Running the current pre-release version 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-core' in a terminal.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: ubuntu-release-upgrader-core 1:0.192.13
  ProcVersionSignature: Ubuntu 3.8.0-34.49-generic 3.8.13.12
  Uname: Linux 3.8.0-34-generic i686
  ApportVersion: 2.9.2-0ubuntu8.5
  Architecture: i386
  CrashDB: ubuntu
  Date: Thu Dec 12 13:50:38 2013
  InstallationDate: Installed on 2013-05-04 (221 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release i386 (20130424)
  MarkForUpload: True
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to raring on 2013-12-12 (0 days ago)
  VarLogDistupgradeTermlog:

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