@ -83,7 +83,7 @@ public class ParameterPropertyPane extends JPanel{
}
public void setAddParaPaneVisible(boolean isVisible) {
if (isVisible == addParaPane.isVisible()) {
if (isVisible == addParaPane.isVisible() || formHierarchyTreePaneWrapper == null) {
return;
if (isVisible && toolbarPane.hasSelectedLabelItem()) {