[Bug 1543431] Re: I am not able to upgrade to 15.10.

[Brian Murray]

*** This bug is a duplicate of bug 1447782 ***
    https://bugs.launchpad.net/bugs/1447782

** This bug has been marked a duplicate of bug 1447782
   cannot upgrade to 15.04 due to php5 ppa

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https://bugs.launchpad.net/bugs/1543431

Title:
  I am not able to upgrade to 15.10.

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

Bug description:
  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 14.04
  Package: ubuntu-release-upgrader-core 1:0.220.8
  ProcVersionSignature: Ubuntu 3.13.0-77.121-generic 3.13.11-ckt32
  Uname: Linux 3.13.0-77-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Tue Feb  9 12:19:48 2016
  InstallationDate: Installed on 2015-05-20 (264 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to trusty on 2016-02-09 (0 days ago)
  mtime.conffile..etc.update.manager.release.upgrades: 2016-02-05T14:40:12.519010

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