Solution : https://service.sap.com/sap/support/notes/406272 (SAP Service marketplace login required)
Key words :
additional key words saplfkpmass, symptom fpy1 payment runyou, schedule payment media, payment run, transaction fpy1, parameter maintenance, simulation runs, prerequisites solution, fkk_fpym_env_payment_media
Related Notes :
362465 | FPY1: schedule payment media for termin payment runs |
205960 | FPY1: Scheduling payment medium run |