message: Fixed - null ref in the page code - Cannot read property 'name' of undefined
diff: @@ -46,7 +46,12 @@ export class SurveyPanelBase extends SurveyElementBase {
  }
  }
  componentDidUpdate(prevProps: any, prevState: any) {
  - if (prevProps.page.name === this.survey.currentPage.name) return;
  + if (
  + !!prevProps.page &&
  + !!this.survey &&
  + prevProps.page.name === this.survey.currentPage.name
  + )
  + return;
  this.doAfterRender();
  }
  private doAfterRender() {
  