code: private static Label createErrorLabel() {
  
          Label label = new Label();
          label.addStyleName(I_CmsLayoutBundle.INSTANCE.generalCss().cornerAll());
          label.addStyleName(I_CmsInputLayoutBundle.INSTANCE.inputCss().error());
          return label;
      }
docs: Creates the a new error label.<p>
  
  @return a label with the appropriate style for  an error label