diff --git a/gtk2_ardour/editor_ops.cc b/gtk2_ardour/editor_ops.cc
index 2e3de22635..8ba2115003 100644
--- a/gtk2_ardour/editor_ops.cc
+++ b/gtk2_ardour/editor_ops.cc
@@ -3368,6 +3368,10 @@ Editor::bounce_range_selection (bool replace, bool enable_processing)
 
 		boost::shared_ptr<Region> r = rtv->track()->bounce_range (start, start+cnt, itt, enable_processing);
 
+		if (!r) {
+			continue;
+		}
+
 		if (replace) {
 			list<AudioRange> ranges;
 			ranges.push_back (AudioRange (start, start+cnt, 0));
diff --git a/libs/ardour/midi_track.cc b/libs/ardour/midi_track.cc
index f42181b458..d51e5ef067 100644
--- a/libs/ardour/midi_track.cc
+++ b/libs/ardour/midi_track.cc
@@ -508,9 +508,7 @@ MidiTrack::export_stuff (BufferSet& /*bufs*/, framecnt_t /*nframes*/, framepos_t
 boost::shared_ptr<Region>
 MidiTrack::bounce (InterThreadInfo& /*itt*/)
 {
-	throw;
-	// vector<MidiSource*> srcs;
-	// return _session.write_one_track (*this, 0, _session.current_end_frame(), false, srcs, itt);
+	std::cerr << "MIDI bounce currently unsupported" << std::endl;
 	return boost::shared_ptr<Region> ();
 }
 
@@ -518,15 +516,14 @@ MidiTrack::bounce (InterThreadInfo& /*itt*/)
 boost::shared_ptr<Region>
 MidiTrack::bounce_range (framepos_t /*start*/, framepos_t /*end*/, InterThreadInfo& /*itt*/, bool /*enable_processing*/)
 {
-	throw;
-	//vector<MidiSource*> srcs;
-	//return _session.write_one_track (*this, start, end, false, srcs, itt);
+	std::cerr << "MIDI bounce range currently unsupported" << std::endl;
 	return boost::shared_ptr<Region> ();
 }
 
 void
 MidiTrack::freeze_me (InterThreadInfo& /*itt*/)
 {
+	std::cerr << "MIDI freeze currently unsupported" << std::endl;
 }
 
 void