1 files changed, 6 insertions, 1 deletions
diff --git a/src/main/java/com/c2kernel/gui/graph/controller/VertexConstructionController.java b/src/main/java/com/c2kernel/gui/graph/controller/VertexConstructionController.java
index cd6d455..5d5dd5f 100644
--- a/src/main/java/com/c2kernel/gui/graph/controller/VertexConstructionController.java
+++ b/src/main/java/com/c2kernel/gui/graph/controller/VertexConstructionController.java
@@ -4,6 +4,7 @@ import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 
 import com.c2kernel.graph.model.GraphModelManager;
+import com.c2kernel.gui.MainFrame;
 import com.c2kernel.gui.graph.view.EditorModeListener;
 import com.c2kernel.gui.graph.view.EditorToolBar;
 
@@ -40,7 +41,11 @@ public class VertexConstructionController extends MouseAdapter implements Editor
     {
         if(mCreatingVertices && (mGraphModelManager != null) && (mEditorToolBar != null) && mGraphModelManager.isEditable())
         {
-            mGraphModelManager.getModel().createVertex(me.getPoint(), mEditorToolBar.getSelectedVertexType());
+            try {
+				mGraphModelManager.getModel().createVertex(me.getPoint(), mEditorToolBar.getSelectedVertexType());
+			} catch (Exception e) {
+				MainFrame.exceptionDialog(e);
+			}
             mEditorToolBar.enterSelectMode();
         }
     }