Steps to Reproduce:
- Log into FOLIO as User Diku_Admin.
- Click on the "Apps" button.
- Select the "Invoices" application.
- Click on the "New" button.
- Fill out all required fields and any other desired information.
- Click on "Save & close" some times.
Expected Results: Only one invoice is created after repeated clicking on the "Save & close" button and the window popped up with a message about the impossibility to save the same invoices.
Actual Results: Identical invoices are created after repeated clicking on the "Save & close" button.
Additional Information: Same applicable for Invoice lines