package liboxideqt-qmlplugin:amd64 1.6.6-0ubuntu0.14.04.1 failed to install/upgrade: package liboxideqt-qmlplugin:amd64 is already installed and configured

[Wisnu Sri Bawono Aji]

I'm new with Ubuntu and I'm just trying to install and update my apps, but suddenly this error comes up.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: liboxideqt-qmlplugin:amd64 1.6.6-0ubuntu0.14.04.1
ProcVersionSignature: Ubuntu 3.16.0-30.40~14.04.1-generic 3.16.7-ckt3
Uname: Linux 3.16.0-30-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.7
AptOrdering:
 oxideqt-codecs: Install
 oxideqt-codecs: Configure
 liboxideqtcore0: Configure
 liboxideqtquick0: Configure
 liboxideqt-qmlplugin: Configure
AptdaemonVersion: 1.1.1-1ubuntu5.1
Architecture: amd64
Date: Fri May 15 15:56:10 2015
DpkgTerminalLog:
 Preparing to unpack .../oxideqt-codecs_1.6.6-0ubuntu0.14.04.1_amd64.deb ...
 Unpacking oxideqt-codecs:amd64 (1.6.6-0ubuntu0.14.04.1) ...
 Setting up oxideqt-codecs:amd64 (1.6.6-0ubuntu0.14.04.1) ...
DuplicateSignature: package:liboxideqt-qmlplugin:amd64:1.6.6-0ubuntu0.14.04.1:package liboxideqt-qmlplugin:amd64 is already installed and configured
ErrorMessage: package liboxideqt-qmlplugin:amd64 is already installed and configured
InstallationDate: Installed on 2015-05-15 (0 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: dpkg
Title: package liboxideqt-qmlplugin:amd64 1.6.6-0ubuntu0.14.04.1 failed to install/upgrade: package liboxideqt-qmlplugin:amd64 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)