diff --git a/Application/AnnotationPlane/Columns/VisualColumnView.xaml.cs b/Application/AnnotationPlane/Columns/VisualColumnView.xaml.cs
index e80e1c3..e395144 100644
--- a/Application/AnnotationPlane/Columns/VisualColumnView.xaml.cs
+++ b/Application/AnnotationPlane/Columns/VisualColumnView.xaml.cs
@@ -45,6 +45,7 @@ public static class SideCurveGeneratorFactory
public static ISideCurveGenerator GetGeneratorFor(Template.RightSideFormEnum rightSideForm) {
switch (rightSideForm) {
+ case Template.RightSideFormEnum.NotDefined: return straight;
case Template.RightSideFormEnum.Straight: return straight;
case Template.RightSideFormEnum.Steps: return steps;
case Template.RightSideFormEnum.Wave: return wave;
diff --git a/Application/AnnotationPlane/Plane.xaml b/Application/AnnotationPlane/Plane.xaml
index ffa9b61..60208e3 100644
--- a/Application/AnnotationPlane/Plane.xaml
+++ b/Application/AnnotationPlane/Plane.xaml
@@ -26,7 +26,7 @@