Quick summary
Imagen couldn't write your edits to the folder with your photos. In the app you see: "We couldn't save your edits to the photos folder. Make sure the folder isn't read-only, and close other apps that use these photos. Try again."
How to fix this
- Make sure the folder isn't read-only, and that you have permission to change it.
- Close other apps that have these photos open, like Lightroom or Photo Mechanic.
- Click Try again in the message.