package account-plugin-facebook (not installed) failed to install/upgrade: Versuch, »/etc/signon-ui/webkit-options.d/www.facebook.com.conf« zu überschreiben, welches auch in Paket kaccounts-providers 4:15.12.3-0ubuntu1 ist

[Nils]

Error at system startup

Description: Ubuntu 16.04 LTS
Release: 16.04

account-plugin-facebook:
  Installiert: (keine)
  Installationskandidat: 0.12+16.04.20160126-0ubuntu1
  Versionstabelle:
     0.12+16.04.20160126-0ubuntu1 500
        500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        500 http://de.archive.ubuntu.com/ubuntu xenial/main i386 Packages

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: account-plugin-facebook (not installed)
ProcVersionSignature: Ubuntu 4.4.0-24.43-generic 4.4.10
Uname: Linux 4.4.0-24-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Thu Jun 9 20:26:57 2016
ErrorMessage: Versuch, »/etc/signon-ui/webkit-options.d/www.facebook.com.conf« zu überschreiben, welches auch in Paket kaccounts-providers 4:15.12.3-0ubuntu1 ist
InstallationDate: Installed on 2016-05-24 (20 days ago)
InstallationMedia: Kubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: account-plugins
Title: package account-plugin-facebook (not installed) failed to install/upgrade: Versuch, »/etc/signon-ui/webkit-options.d/www.facebook.com.conf« zu überschreiben, welches auch in Paket kaccounts-providers 4:15.12.3-0ubuntu1 ist
UpgradeStatus: No upgrade log present (probably fresh install)