package libunity9 7.1.4+16.04.20160701-0ubuntu1 failed to install/upgrade: trying to overwrite shared '/usr/bin/unity-scope-loader', which is different from other instances of package libunity9:i386

[aliixe9]

got unexpected error during installation

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libunity9 7.1.4+16.04.20160701-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
Uname: Linux 4.4.0-38-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Fri Sep 30 21:57:57 2016
DuplicateSignature:
 package:libunity9:7.1.4+16.04.20160701-0ubuntu1
 Unpacking libunity9:i386 (7.1.4+16.04.20160701-0ubuntu1) ...
 dpkg: error processing archive /var/cache/apt/archives/libunity9_7.1.4+16.04.20160701-0ubuntu1_i386.deb (--unpack):
  trying to overwrite shared '/usr/bin/unity-scope-loader', which is different from other instances of package libunity9:i386
ErrorMessage: trying to overwrite shared '/usr/bin/unity-scope-loader', which is different from other instances of package libunity9:i386
InstallationDate: Installed on 2014-04-27 (886 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: libunity
Title: package libunity9 7.1.4+16.04.20160701-0ubuntu1 failed to install/upgrade: trying to overwrite shared '/usr/bin/unity-scope-loader', which is different from other instances of package libunity9:i386
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.