kde neon, last update: packages have been kept back:

[Stefan Fuhrmann]

Hello all,

since some weeks Im using kde neon. Earlier updates ran without a problem. I 
did now an update and getting:
packages have been kept back:

  libkf5declarative-data qml-module-org-kde-draganddrop qml-module-org-kde-
kquickcontrols qml-module-org-kde-kquickcontrolsaddons

Doing an install of the packages:

apt install   libkf5declarative-data qml-module-org-kde-draganddrop qml-
module-org-kde-kquickcontrols qml-module-org-kde-kquickcontrolsaddons
.....
The following packages have unmet dependencies:
 libkf5declarative5 : Depends: libkf5declarative-data (= 5.33.0-0neon
+16.04+build31) but 5.33.0-0ubuntu1~ubuntu16.04~ppa1 is to be installed
                      Recommends: kpackagelauncherqml but it is not going to 
be installed
 qml-module-org-kde-draganddrop : Depends: libkf5declarative5 (>= 
5.33.0-0ubuntu1~ubuntu16.04~ppa1) but 5.33.0-0neon+16.04+build31 is to be 
installed
 qml-module-org-kde-kquickcontrols : Depends: libkf5declarative5 (>= 
5.33.0-0ubuntu1~ubuntu16.04~ppa1) but 5.33.0-0neon+16.04+build31 is to be 
installed
 qml-module-org-kde-kquickcontrolsaddons : Depends: libkf5declarative5 (>= 
5.33.0-0ubuntu1~ubuntu16.04~ppa1) but 5.33.0-0neon+16.04+build31 is to be 
installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by 
held packages.


Can someone help?

Tia
Stefan