Custom fields tin lone beryllium added successful the caller mentation of App - Reassign Costs and Revenues -App ID = F2009A
Please spot the pursuing SAP KBA -
0003549424 - Custom fields is not disposable successful app Reassign Costs and Revenues for Old/New Version - SAP S/4HANA Cloud Public Edition
and the pursuing -
The relation volition beryllium disposable successful the app "Reassign Costs and Revenues - New Version" (F2009A) from mentation CE2502.
You tin find further details connected the Help portal -
App Extensibility: Reassign Costs and Revenues (Key User)
Thanks,
SAP Support