package adwaita-icon-theme 3.16.0-0ubuntu1~vivid2 [origin: LP-PPA-gnome3-team-gnome3-staging] failed to install/upgrade: forsøger at overskrive '/usr/share/icons/Adwaita/48x48/actions/edit-delete.png', som også er i pakken adwaita-icon-theme-full 3.16.0-0ubuntu1~vivid1

apt-get dist-upgrade

ProblemType: Package
DistroRelease: Ubuntu 15.04
Package: adwaita-icon-theme 3.16.0-0ubuntu1~vivid2 [origin: LP-PPA-gnome3-team-gnome3-staging]
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic i686
ApportVersion: 2.17.2-0ubuntu1
Architecture: i386
Date: Thu May 7 21:09:19 2015
DuplicateSignature: package:adwaita-icon-theme:3.16.0-0ubuntu1~vivid2 [origin: LP-PPA-gnome3-team-gnome3-staging]:forsøger at overskrive '/usr/share/icons/Adwaita/48x48/actions/edit-delete.png', som også er i pakken adwaita-icon-theme-full 3.16.0-0ubuntu1~vivid1
ErrorMessage: forsøger at overskrive '/usr/share/icons/Adwaita/48x48/actions/edit-delete.png', som også er i pakken adwaita-icon-theme-full 3.16.0-0ubuntu1~vivid1
InstallationDate: Installed on 2013-12-29 (493 days ago)
InstallationMedia: Lubuntu 12.04 "Precise Pangolin" - Release i386 (20120423)
PackageArchitecture: all
RelatedPackageVersions:
 dpkg 1.17.25ubuntu1
 apt 1.0.9.7ubuntu4
SourcePackage: adwaita-icon-theme
Title: package adwaita-icon-theme 3.16.0-0ubuntu1~vivid2 [origin: LP-PPA-gnome3-team-gnome3-staging] failed to install/upgrade: forsøger at overskrive '/usr/share/icons/Adwaita/48x48/actions/edit-delete.png', som også er i pakken adwaita-icon-theme-full 3.16.0-0ubuntu1~vivid1
UpgradeStatus: Upgraded to vivid on 2015-04-06 (30 days ago)