package libjson-c2:i386 0.11-4ubuntu2 failed to install/upgrade: package libjson-c2:i386 is already installed and configured

[biswajit mondal]

please help

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libjson-c2:i386 0.11-4ubuntu2
ProcVersionSignature: Ubuntu 4.4.0-49.70-generic 4.4.30
Uname: Linux 4.4.0-49-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
Date: Sat Feb 17 17:11:22 2018
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu10
 libgcc1 1:6.0.1-0ubuntu1
 multiarch-support 2.23-0ubuntu3
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-xenial-amd64-20160624-2
DuplicateSignature:
 Processing triggers for systemd (229-4ubuntu21.1) ...
 dpkg: error processing package libjson-c2:i386 (--configure):
  package libjson-c2:i386 is already installed and configured
ErrorMessage: package libjson-c2:i386 is already installed and configured
InstallationDate: Installed on 2017-12-12 (67 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
PackageArchitecture: i386
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1
 apt 1.2.10ubuntu1
SourcePackage: dpkg
Title: package libjson-c2:i386 0.11-4ubuntu2 failed to install/upgrade: package libjson-c2:i386 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)

[Brian Murray (brian-murray)]

DuplicateSignature:
 Processing triggers for systemd (229-4ubuntu21.1) ...
 Processing triggers for systemd (229-4ubuntu21.1) ...
 dpkg: error processing package libjson-c2:i386 (--configure):
  package libjson-c2:i386 is already installed and configured