How to prepare the RFC destinations for Managed systems
You will need RFC destinations for each system that you plan to manage with Fiori App Usage Report apps. Please set RFC destinations In your Central system using transaction sm59. Each RFC destination should point to one of your managed systems.
The user set in RFC destination needs to have type SYSTEM and the following authorizations:
Authorization: S_RFC
ACTVT: 16
RFC_TYPE: FUGR
RFC_NAME: Z_FTASIS