package libqtgui4:i386 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 failed to install/upgrade: package libqtgui4:i386 is already installed and configured

[Lester]

Installed update and performed "aptitude safe-upgrade". Then this error occurred. Unsure for the cause.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libqtgui4:i386 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1
ProcVersionSignature: Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20
Uname: Linux 3.13.0-55-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
AptdaemonVersion: 1.1.1-1ubuntu5.2
Architecture: amd64
CrashReports:
 640:0:116:294319:2015-07-03 00:13:50.740088462 -0600:2015-07-03 00:13:51.740088462 -0600:/var/crash/libqt4-declarative:i386.0.crash
 600:109:116:0:2015-07-03 00:13:55.598158391 -0600:2015-07-03 00:13:55.598158391 -0600:/var/crash/libqt4-declarative:i386.0.uploaded
 644:0:116:0:2015-07-03 00:13:53.071422372 -0600:2015-07-03 00:13:53.071422372 -0600:/var/crash/libqt4-declarative:i386.0.upload
 600:0:116:73259:2015-07-02 23:37:54.396756887 -0600:2015-07-02 23:37:55.396756887 -0600:/var/crash/libqtgui4:amd64.0.crash
 600:0:116:73257:2015-07-02 23:37:54.312757015 -0600:2015-07-02 23:37:55.312757015 -0600:/var/crash/libqtgui4:i386.0.crash
Date: Thu Jul 2 23:37:55 2015
DpkgHistoryLog:
 Start-Date: 2015-07-02 23:37:44
 Commandline: aptdaemon role='role-commit-packages' sender=':1.74'
 Install: liblcms1:amd64 (1.19.dfsg-1.2ubuntu5, automatic), libpodofo0.9.0:amd64 (0.9.0-1.2, automatic), scribus:amd64 (1.4.2.dfsg+r18267-1ubuntu2), python-tk:amd64 (2.7.5-1ubuntu1, automatic), icc-profiles-free:amd64 (2.0.1+dfsg-1, automatic), icc-profiles:amd64 (2.0.1-1), scribus-template:amd64 (1.2.4.1-2)
DuplicateSignature: package:libqtgui4:i386:4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1:package libqtgui4:i386 is already installed and configured
ErrorMessage: package libqtgui4:i386 is already installed and configured
InstallationDate: Installed on 2014-04-26 (432 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
PackageArchitecture: i386
SourcePackage: qt4-x11
Title: package libqtgui4:i386 4:4.8.5+git192-g085f851+dfsg-2ubuntu4.1 failed to install/upgrade: package libqtgui4:i386 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)