[Bug 1854498] 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/1854498

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:
   /var/cache/apt/archives/libpng12-0_1.2.54-1ubuntu1.1_amd64.deb
  E: Sub-process /usr/bin/dpkg returned an error code (1)

  ProblemType: Package
  DistroRelease: Ubuntu 16.04
  Package: libpng12-0 1.2.54-1ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-70.79~16.04.1-generic 4.15.18
  Uname: Linux 4.15.0-70-generic x86_64
  ApportVersion: 2.20.1-0ubuntu2.21
  AptOrdering:
   libpng12-0: Install
   libpng12-0: Configure
   libpng12-0: Configure
   NULL: ConfigurePending
  Architecture: amd64
  Date: Fri Nov 29 08:19:09 2019
  Dependencies:
   gcc-6-base 6.0.1-0ubuntu1
   libc6 2.23-0ubuntu11
   libgcc1 1:6.0.1-0ubuntu1
   zlib1g 1:1.2.8.dfsg-2ubuntu4.1
  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 2019-11-27 (1 days ago)
  InstallationMedia: Ubuntu 16.04.6 LTS "Xenial Xerus" - Release amd64 (20190227)
  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: No upgrade log present (probably fresh install)

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