Error

Items in an ArcGIS StoryMaps collection do not load when the ArcGIS StoryMaps collection is embedded using an HTML <iframe> tag, the following error message is returned on the page, "Hmm... there seems to be an issue The story can’t be loaded.", and the following error message is returned at the console, "DOMException: Blocked a frame with origin "https://storymaps.arcgis.com" from accessing a cross-origin frame."