Solution : https://service.sap.com/sap/support/notes/632104 (SAP Service marketplace login required)
Key words :
newly added fields behave correctly, field yyid data element yyid, display database table vicn01, setting sap-defined fields, define separate user fields, pure bdt solution documented, pai time replace analogously, standard module dynamically determines, choose goto -> append structure, additional subscreen-local modules
Related Notes :
| 690900 | User-defined real estate master data fields as of 470x200 |
| 447851 | User fields for the RE general contract |