A Microsoft digital storytelling app for creating and sharing interactive reports and presentations.
Hello,KatP_
Welcome to the Microsoft community!
I have realized that your issue about error with images.
We did a test of synchronization based on the Sway file you provided, and then based on the way you mentioned it in order to reproduce your problem, but the test came back normal.
Based on the error message you provided, it seems that the file upload server was not successful, causing the server to fail to load your image.
Since Microsoft Sway is currently web-only, the only problem is the server itself if you rule out network issues.
I also see that you have subsequently fixed the image, which means that Sway 's feature is currently fully functional.
We recommend that you try to change your network when this problem occurs in the future, or try to try again at a different time.
Feel free to post back if you need further assistance.
Thank you for your understanding and patience and I look forward to hearing from you.
Ryan - MSFT | Microsoft Community Support Specialist