[Bug 1449220] Re: When I try upgrade ubuntu 14.10 64bit to ubuntu 15.04 got error.

[Brian Murray]

*** This bug is a duplicate of bug 1448520 ***
    https://bugs.launchpad.net/bugs/1448520

This is due to the php5 ppa you have enabled which provides package
version numbers for utopic greater than those that exist for vivid, so
the release upgrader doesn't know how to proceed.

** This bug has been marked a duplicate of bug 1448520
   Hung on details for outdated installs

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https://bugs.launchpad.net/bugs/1449220

Title:
  When I try upgrade ubuntu 14.10 64bit to ubuntu 15.04 got error.

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

Bug description:
  Recived error:

  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 14.10
  Package: ubuntu-release-upgrader-core 1:14.10.10
  ProcVersionSignature: Ubuntu 3.16.0-34.47-generic 3.16.7-ckt8
  Uname: Linux 3.16.0-34-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.14.7-0ubuntu8.4
  Architecture: amd64
  CrashDB: ubuntu
  CurrentDesktop: Unity
  Date: Mon Apr 27 21:08:55 2015
  InstallationDate: Installed on 2015-04-20 (6 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  PackageArchitecture: all
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to utopic on 2015-04-27 (0 days ago)
  VarLogDistupgradeTermlog:

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