package libappindicator1 12.10.1+13.10.20130920-0ubuntu4.1 failed to install/upgrade: package libappindicator1 is already installed and configured

[Benjamin]

I am a new user and am not aware why or where this message has come from

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libappindicator1 12.10.1+13.10.20130920-0ubuntu4.1
ProcVersionSignature: Ubuntu 3.16.0-38.52~14.04.1-generic 3.16.7-ckt10
Uname: Linux 3.16.0-38-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
AptdaemonVersion: 1.1.1-1ubuntu5.1
Architecture: amd64
CrashReports:
 640:0:116:579387:2015-06-08 19:21:59.860854148 +0200:2015-06-08 19:22:08.780854228 +0200:/var/crash/python-gpgme.0.crash
 600:109:116:0:2015-06-08 19:22:10.680854245 +0200:2015-06-08 19:22:10.680854245 +0200:/var/crash/python-gpgme.0.uploaded
 600:0:116:223133:2015-06-07 21:21:58.206649780 +0200:2015-06-07 21:21:59.206649780 +0200:/var/crash/libappindicator1.0.crash
 644:0:116:0:2015-06-08 19:22:07.756854218 +0200:2015-06-08 19:22:07.756854218 +0200:/var/crash/python-gpgme.0.upload
 600:0:116:223124:2015-06-07 21:21:59.118693832 +0200:2015-06-07 21:21:58.834835829 +0200:/var/crash/libindicator7.0.crash
Date: Sun Jun 7 21:21:59 2015
DuplicateSignature: package:libappindicator1:12.10.1+13.10.20130920-0ubuntu4.1:package libappindicator1 is already installed and configured
ErrorMessage: package libappindicator1 is already installed and configured
InstallationDate: Installed on 2015-05-31 (8 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
SourcePackage: dpkg
Title: package libappindicator1 12.10.1+13.10.20130920-0ubuntu4.1 failed to install/upgrade: package libappindicator1 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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