package gcc-5-base 5.4.0-6ubuntu1~16.04.2 [modified: usr/share/doc/gcc-5-base/changelog.Debian.gz] failed to install/upgrade: trying to overwrite shared '/usr/share/doc/gcc-5-base/changelog.Debian.gz', which is different from other instances of package gcc-5-base:i386

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ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: gcc-5-base 5.4.0-6ubuntu1~16.04.2 [modified: usr/share/doc/gcc-5-base/changelog.Debian.gz]
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Mon Sep 5 03:00:14 2016
Dependencies:

DuplicateSignature:
 package:gcc-5-base:5.4.0-6ubuntu1~16.04.2 [modified: usr/share/doc/gcc-5-base/changelog.Debian.gz]
 Unpacking gcc-5-base:i386 (5.4.0-6ubuntu1~16.04.2) over (5.4.0-6ubuntu1~16.04.1) ...
 dpkg: error processing archive /var/cache/apt/archives/gcc-5-base_5.4.0-6ubuntu1~16.04.2_i386.deb (--unpack):
  trying to overwrite shared '/usr/share/doc/gcc-5-base/changelog.Debian.gz', which is different from other instances of package gcc-5-base:i386
ErrorMessage: trying to overwrite shared '/usr/share/doc/gcc-5-base/changelog.Debian.gz', which is different from other instances of package gcc-5-base:i386
InstallationDate: Installed on 2016-08-20 (15 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: gcc-5
Title: package gcc-5-base 5.4.0-6ubuntu1~16.04.2 [modified: usr/share/doc/gcc-5-base/changelog.Debian.gz] failed to install/upgrade: trying to overwrite shared '/usr/share/doc/gcc-5-base/changelog.Debian.gz', which is different from other instances of package gcc-5-base:i386
UpgradeStatus: No upgrade log present (probably fresh install)