Preparing to unpack .../libkf5screen-bin_4%3a5.8.3-0ubuntu1~ubuntu16.04~ppa2_amd64.deb ...
Unpacking libkf5screen-bin (4:5.8.3-0ubuntu1~ubuntu16.04~ppa2) over (4:5.5.5-0ubuntu1) ...
dpkg: error processing archive /var/cache/apt/archives/libkf5screen-bin_4%3a5.8.3-0ubuntu1~ubuntu16.04~ppa2_amd64.deb (--unpack):
 trying to overwrite '/usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/kscreen/KSC_XRandR.so', which is also in package libkf5screen6:amd64 4:5.5.5-0ubuntu1
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for libc-bin (2.23-0ubuntu4) ...
Processing triggers for hicolor-icon-theme (0.15-0ubuntu1) ...
Errors were encountered while processing:
 /var/cache/apt/archives/libkf5screen-bin_4%3a5.8.3-0ubuntu1~ubuntu16.04~ppa2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)