Fix another assertion failure if a saved selection doesn't correspond to the things that are actually present in the session file.

git-svn-id: svn://localhost/ardour2/branches/3.0@7769 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 12 insertions, 11 deletions

diff --git a/gtk2_ardour/selection.cc b/gtk2_ardour/selection.cc
index 59928dc303..7735993bc1 100644
--- a/gtk2_ardour/selection.cc
+++ b/gtk2_ardour/selection.cc
@@ -1143,18 +1143,19 @@ Selection::set_state (XMLNode const & node, int)
 
 			PBD::ID id (prop_id->value ());
 			RouteTimeAxisView* rtv = editor->get_route_view_by_route_id (id);
-			assert (rtv);
-			
-			boost::shared_ptr<AutomationTimeAxisView> atv = rtv->automation_child (EventTypeMap::instance().new_parameter (prop_parameter->value ()));
+
+			if (rtv) {
+				boost::shared_ptr<AutomationTimeAxisView> atv = rtv->automation_child (EventTypeMap::instance().new_parameter (prop_parameter->value ()));
                         
-                        /* the automation could be for an entity that was never saved
-                           in the session file. Don't freak out if we can't find
-                           it.
-                        */
-
-                        if (atv) {
-                                add (atv.get());
-                        }
+				/* the automation could be for an entity that was never saved
+				   in the session file. Don't freak out if we can't find
+				   it.
+				*/
+				
+				if (atv) {
+					add (atv.get());
+				}
+			}
 		}
 	}