private JPanel createInvalidCard() {
    final JPanel panel = new JPanel(new GridBagLayout());
    myFormInvalidLabel = new JLabel(UIDesignerBundle.message("error.form.file.is.invalid"));
    panel.add(myFormInvalidLabel,
              new GridBagConstraints(0, 0, 1, 1, 1, 1, GridBagConstraints.CENTER, GridBagConstraints.NONE, new Insets(0, 0, 0, 0), 0, 0));
    return panel;
  }
private JPanel createInvalidCard()