When you have a returned payment, last version is in status "Revision requested by EC", you have to create a new version of this payment instead of trying to create a new Payment Application.
Follow the steps below:
- Access the Payment Application which is in the status "Revision requested by the EC" by double-clicking with the mouse:

- Within this Payment Application, click on the "Create" button:

Click "Confirm" to confirm the creation:
A new version of the Payment Application for the same period will be created that is linked to the same version of the program as the one returned previously.