Solution : https://service.sap.com/sap/support/notes/1323689 (SAP Service marketplace login required)
Key words : 
select goto --> text elements --> text symbols, incorrect payment document number, goto transaction se38, payment document number, complete document number, dme file generated, prerequisites program error, ac &ktnra/&vblnr', report rffoat_p, payee' field
Related Notes : 
       
| 546657 | RFFOAT_P: Changes to note to payee and accompanying sheet |