rec_button.set_sensitive (false);
WM::Manager::instance().set_session ((ARDOUR::Session*) 0);
- ARDOUR_UI::instance()->video_timeline->close_session();
+
+ if (ARDOUR_UI::instance()->video_timeline) {
+ ARDOUR_UI::instance()->video_timeline->close_session();
+ }
stop_blinking ();
stop_clocking ();