package zlib1g 1:1.2.8.dfsg-2ubuntu4 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64

[Einsteinliu]

(Reading database ... 603754 files and directories currently installed.)
Preparing to unpack .../zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb ...
Unpacking zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4.1) over (1:1.2.8.dfsg-2ubuntu4) ...
dpkg: error processing archive /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb (--unpack):
 trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
Processing triggers for libc-bin (2.23-0ubuntu10) ...
Errors were encountered while processing:
 /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: zlib1g 1:1.2.8.dfsg-2ubuntu4
ProcVersionSignature: Ubuntu 4.15.0-55.60~16.04.2-generic 4.15.18
Uname: Linux 4.15.0-55-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.19
AptOrdering:
 zlib1g: Install
 zlib1g: Configure
 zlib1g: Configure
 NULL: ConfigurePending
Architecture: amd64
Date: Thu Sep 12 08:47:03 2019
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu11
 libgcc1 1:6.0.1-0ubuntu1
DpkgHistoryLog:
 Start-Date: 2019-09-12 08:46:40
 Commandline: apt-get -f install
 Requested-By: seisinv (1000)
 Upgrade: zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4, 1:1.2.8.dfsg-2ubuntu4.1)
DpkgTerminalLog:
 Preparing to unpack .../zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb ...
 Unpacking zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4.1) over (1:1.2.8.dfsg-2ubuntu4) ...
 dpkg: error processing archive /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb (--unpack):
  trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
DuplicateSignature:
 package:zlib1g:1:1.2.8.dfsg-2ubuntu4
 Unpacking zlib1g:amd64 (1:1.2.8.dfsg-2ubuntu4.1) over (1:1.2.8.dfsg-2ubuntu4) ...
 dpkg: error processing archive /var/cache/apt/archives/zlib1g_1%3a1.2.8.dfsg-2ubuntu4.1_amd64.deb (--unpack):
  trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
ErrorMessage: trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
InstallationDate: Installed on 2017-06-02 (831 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.3
 apt 1.2.29ubuntu0.1
SourcePackage: zlib
Title: package zlib1g 1:1.2.8.dfsg-2ubuntu4 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/zlib1g/changelog.Debian.gz', which is different from other instances of package zlib1g:amd64
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. Reviewing your dmesg attachment in this bug report it seems that there is a problem with your hardware. I recommend performing a back up and then investigating the situation. Measures you might take include checking cable connections and using software tools to investigate the health of your hardware. In the event that is is not in fact an error with your hardware please set the bug's status back to New. Thanks and good luck!

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]