Unable to access story's id: 77fd7ab5-c251-459e-9a07-9ad8c65f4511

New to Cesium Ion. Unable to access a model, that was uploaded by someone who has left the company. Currently getting this error.
image

Any help would be greatly appreciated.
Thanks

I apologize for the late reply. Is this still a problem for you?

Thanks Matt. This has been resolved. Was due to an account being deactivated.