message: Warning in react version: "Can't perform a React state update on an unmounted component."
diff: @@ -62,7 +62,7 @@ export class SurveyElementBase extends React.Component<any, any> {
  private unMakeBaseElementsReact() {
  var els = this.getStateElements();
  for (var i = 0; i < els.length; i++) {
  - this.makeBaseElementReact(els[i]);
  + this.unMakeBaseElementReact(els[i]);
  }
  }
  protected getStateElements(): Array<Base> {
  