Problem still exists on Ubuntu 16.04:
Setting up gstreamer-qapt (3.0.2-0ubuntu1.2) ... update-alternatives: error: alternative path /usr/lib/kde4/libexec/qapt-gst-helper doesn't exist
Problem still exists on Ubuntu 16.04:
Setting up gstreamer-qapt (3.0.2-0ubuntu1.2) ... alternatives: error: alternative path /usr/lib/ kde4/libexec/ qapt-gst- helper doesn't exist
update-