message: Fix for react app crushes when all questions is invisible
diff: @@ -50,6 +50,7 @@ export class SurveyPanelBase extends SurveyElementBase {
  if (
  !!prevProps.page &&
  !!this.survey &&
  + !!this.survey.currentPage &&
  prevProps.page.name === this.survey.currentPage.name
  )
  return;
  