Don't panic! First, check if you have the latest version of the app and confirm that your internet connection is stable. Also, make sure that the app has permission to access your photos - this is very important!
If the problem persists, please contact us at firstname.lastname@example.org and give us the most details possible about the issue: a screenshot, the action that triggers the problem, the error message, the picture source, etc.
All details are welcome, so please send the most information possible - we will fix the issue!