package gcin 2.8.4+dfsg1-1ubuntu1.1 failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/gcin/intcode-module.so', which is also in package libgcin:amd64 2.8.4+dfsg1-1ubuntu1.1

[ramwong]

when update it fail

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: gcin 2.8.4+dfsg1-1ubuntu1.1
ProcVersionSignature: Ubuntu 4.10.0-35.39~16.04.1-generic 4.10.17
Uname: Linux 4.10.0-35-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
Date: Sun Oct 8 15:30:34 2017
DuplicateSignature:
 package:gcin:2.8.4+dfsg1-1ubuntu1.1
 Unpacking gcin-im-client:amd64 (2.8.5+eliu-4) ...
 dpkg: error processing archive /var/cache/apt/archives/gcin-im-client_2.8.5+eliu-4_amd64.deb (--unpack):
  trying to overwrite '/usr/lib/x86_64-linux-gnu/gcin/libgcin-im-client.so.1.2.5', which is also in package libgcin:amd64 2.8.4+dfsg1-1ubuntu1.1
ErrorMessage: trying to overwrite '/usr/lib/x86_64-linux-gnu/gcin/intcode-module.so', which is also in package libgcin:amd64 2.8.4+dfsg1-1ubuntu1.1
InstallationDate: Installed on 2017-10-08 (0 days ago)
InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 (20170801)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.24
SourcePackage: gcin
Title: package gcin 2.8.4+dfsg1-1ubuntu1.1 failed to install/upgrade: trying to overwrite '/usr/lib/x86_64-linux-gnu/gcin/intcode-module.so', which is also in package libgcin:amd64 2.8.4+dfsg1-1ubuntu1.1
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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