For reference, the reporter confirmed that this is indeed the problem: http://lists.opensuse.org/opensuse-factory/2017-06/msg00834.html >> If that is your problem, removing the file >> /usr/share/dbus-1/services/org.kde.plasma.Notifications.service should "fix" >> it (delete it or move it to a different directory, just renaming it won't >> help). > > Yes - this works.