3251485 - No RFC authorization for function module RS_B4HTRF_API_OBJECTS_SETGET

Task list SAP_BW4_TRANSFER_CLOUD_SHELL or SAP_BW4_TRANSFER_CHECK_SHELL fails in step "Collect Scope for Transfer" with the error message: 

Error in remote call of destination xxx: No RFC authorization for function module RS_B4HTRF_API_OBJECTS_SETGET.
Message no. RSPC051

Diagnosis
The following error occurred during the remote function call for destination xxx:
No RFC authorization for function module RS_B4HTRF_API_OBJECTS_SETGET.

System Response
A short dump has probably been written in the other system.

Procedure
Look at the short-dump overview in the other system.

SAP NetWeaver 7.50
SAP Datasphere, SAP BW bridge  

Shell conversion, BW bridge, Collect Scope for Transfer, communication arrangement, ST22 , KBA , DS-BWB , BW Bridge , BW-B4H-CNV-SHL , Shell Conversion to SAP BW/4HANA , Problem