This incident has been resolved.
The issue affecting refund creation on the Mollie Mobile App has been fixed, and a new version of our mobile app is being rolled out.
To apply the fix, please update to the latest version:
iOS 2.56.2 – If the update isn't showing in the App Store, delete and reinstall the app to ensure you get the latest version.
Android 2.55.4 – Update via the Play Store as normal.