package libenet7:i386 1.3.12+ds-2 failed to install/upgrade: package libenet7:i386 is already installed and configured

my system said there was an error.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libenet7:i386 1.3.12+ds-2
ProcVersionSignature: Ubuntu 4.4.0-71.92-generic 4.4.49
Uname: Linux 4.4.0-71-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.5
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: i386
Date: Fri Apr 7 11:34:38 2017
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu7
 libgcc1 1:6.0.1-0ubuntu1
 multiarch-support 2.23-0ubuntu7
DuplicateSignature:
 package:libenet7:i386:1.3.12+ds-2
 Unpacking kde-l10n-engb (4:15.12.3-0ubuntu1.1) ...
 dpkg: error processing package fonts-wqy-zenhei (--configure):
  package fonts-wqy-zenhei is already installed and configured
ErrorMessage: package libenet7:i386 is already installed and configured
InstallationDate: Installed on 2016-01-03 (460 days ago)
InstallationMedia: Lubuntu 15.10 "Wily Werewolf" - Release i386 (20151021)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.19
SourcePackage: dpkg
Title: package libenet7:i386 1.3.12+ds-2 failed to install/upgrade: package libenet7:i386 is already installed and configured
UpgradeStatus: Upgraded to xenial on 2017-03-14 (24 days ago)