[Bug 1868573] Re: package libpng12-0 1.2.54-1ubuntu1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libpng12-0/changelog.Debian.gz', which is different from other instances of package libpng12-0:amd64

[Apport retracing service]

*** This bug is a duplicate of bug 1799215 ***
    https://bugs.launchpad.net/bugs/1799215

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1799215, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** Tags removed: need-duplicate-check

** This bug has been marked a duplicate of bug 1799215
   package libpng12-0 1.2.54-1ubuntu1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libpng12-0/changelog.Debian.gz', which is different from other instances of package libpng12-0:amd64

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https://bugs.launchpad.net/bugs/1868573

Title:
  package libpng12-0 1.2.54-1ubuntu1 failed to install/upgrade: trying
  to overwrite shared '/usr/share/doc/libpng12-0/changelog.Debian.gz',
  which is different from other instances of package libpng12-0:amd64

Status in libpng package in Ubuntu:
  New

Bug description:
  None

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: libpng12-0 1.2.54-1ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-176.206-generic 4.4.211
  Uname: Linux 4.4.0-176-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.22
  Architecture: amd64
  Date: Sun Mar 22 19:46:57 2020
  Dependencies:
   gcc-6-base 6.0.1-0ubuntu1
   libc6 2.23-0ubuntu11
   libgcc1 1:6.0.1-0ubuntu1
   zlib1g 1:1.2.8.dfsg-2ubuntu4.3
  DpkgTerminalLog:
   Preparing to unpack .../libpng12-0_1.2.54-1ubuntu1.1_amd64.deb ...
   Unpacking libpng12-0:amd64 (1.2.54-1ubuntu1.1) over (1.2.54-1ubuntu1) ...
   dpkg: error processing archive /var/cache/apt/archives/libpng12-0_1.2.54-1ubuntu1.1_amd64.deb (--unpack):
    trying to overwrite shared '/usr/share/doc/libpng12-0/changelog.Debian.gz', which is different from other instances of package libpng12-0:amd64
  DuplicateSignature:
   package:libpng12-0:1.2.54-1ubuntu1
   Unpacking libpng12-0:amd64 (1.2.54-1ubuntu1.1) over (1.2.54-1ubuntu1) ...
   dpkg: error processing archive /var/cache/apt/archives/libpng12-0_1.2.54-1ubuntu1.1_amd64.deb (--unpack):
    trying to overwrite shared '/usr/share/doc/libpng12-0/changelog.Debian.gz', which is different from other instances of package libpng12-0:amd64
  ErrorMessage: trying to overwrite shared '/usr/share/doc/libpng12-0/changelog.Debian.gz', which is different from other instances of package libpng12-0:amd64
  InstallationDate: Installed on 2016-12-31 (1177 days ago)
  InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
  RelatedPackageVersions:
   dpkg 1.18.4ubuntu1.6
   apt  1.2.32
  SourcePackage: libpng
  Title: package libpng12-0 1.2.54-1ubuntu1 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libpng12-0/changelog.Debian.gz', which is different from other instances of package libpng12-0:amd64
  UpgradeStatus: Upgraded to xenial on 2017-01-01 (1177 days ago)

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