I was trying to put an interactive map into my StoryMap, but decided to go out of it and pressed the button to go back a page (one that you would use for any website in the top left corner of the browser). Since then, I have not been able to open the file and says there was a problem loading the project. I have no idea how to fix this and do not know how to contact any technical support.
@EDevereaux - I'm very sorry you're having this issue. You can submit a request for Esri Technical Support via this website: https://support.esri.com/
Someone there will be able to help you recover your lost story.