Solution : https://service.sap.com/sap/support/notes/336711 (SAP Service marketplace login required)
Key words : 
additional key words hold data, display data previously held, user-specific entries made, 'hold data' function holds, 'hold/set data', 'hold data' function, 'basic data' screen, 'basic data' tabpage, field 'document type', fi enjoy transactions
Related Notes : 
       
| 339765 | FB50: Document type from SPA/GPA 'BAR' not required | 
| 316607 | |
| 303091 | Setting/holding data |