package kaccounts-providers (not installed) failed to install/upgrade: poging tot overschrijven van '/etc/signon-ui/webkit-options.d/www.facebook.com.conf', wat ook in pakket account-plugin-facebook 0.12+16.04.20160126-0ubuntu1 zit

I tried to install the KDE desktop on Ubuntu 16.04

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: kaccounts-providers (not installed)
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: i386
Date: Sun Aug 21 17:26:07 2016
ErrorMessage: poging tot overschrijven van '/etc/signon-ui/webkit-options.d/www.facebook.com.conf', wat ook in pakket account-plugin-facebook 0.12+16.04.20160126-0ubuntu1 zit
InstallationDate: Installed on 2016-07-14 (37 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release i386 (20160420.1)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.12~ubuntu16.04.1
SourcePackage: kaccounts-providers
Title: package kaccounts-providers (not installed) failed to install/upgrade: poging tot overschrijven van '/etc/signon-ui/webkit-options.d/www.facebook.com.conf', wat ook in pakket account-plugin-facebook 0.12+16.04.20160126-0ubuntu1 zit
UpgradeStatus: No upgrade log present (probably fresh install)