package libtiffxx5 4.0.6-1ubuntu0.6 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libtiffxx5/changelog.Debian.gz', which is different from other instances of package libtiffxx5:i386

installing from update manager, an apt problem?

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libtiffxx5 4.0.6-1ubuntu0.6
ProcVersionSignature: Ubuntu 4.4.0-142.168-generic 4.4.167
Uname: Linux 4.4.0-142-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
ApportVersion: 2.20.1-0ubuntu2.18
Architecture: amd64
Date: Thu Mar 14 01:05:47 2019
DuplicateSignature:
 package:libtiffxx5:4.0.6-1ubuntu0.6
 Unpacking libtiffxx5:i386 (4.0.6-1ubuntu0.6) over (4.0.6-1ubuntu0.5) ...
 dpkg: error processing archive /var/cache/apt/archives/libtiffxx5_4.0.6-1ubuntu0.6_i386.deb (--unpack):
  trying to overwrite shared '/usr/share/doc/libtiffxx5/changelog.Debian.gz', which is different from other instances of package libtiffxx5:i386
ErrorMessage: trying to overwrite shared '/usr/share/doc/libtiffxx5/changelog.Debian.gz', which is different from other instances of package libtiffxx5:i386
InstallationDate: Installed on 2016-04-19 (1058 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160417.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.5
 apt 1.2.29ubuntu0.1
SourcePackage: tiff
Title: package libtiffxx5 4.0.6-1ubuntu0.6 failed to install/upgrade: trying to overwrite shared '/usr/share/doc/libtiffxx5/changelog.Debian.gz', which is different from other instances of package libtiffxx5:i386
UpgradeStatus: No upgrade log present (probably fresh install)