System copy automation does not support BW only system copy

Diagnosis
You have decided to use the system copy automation for a BW system. You
want to restore a connected source system and the source system will not
be copied. This corresponds to Scenario Group B as per note 886102.
However, the automation tool does not support this scenario yet.


System Response
With this selection, it will not be possible to proceed with the system
copy.


Procedure
It is not possible to restore BW source system after Copy.
In the <ZK>Parameter</> dialog of task CL_RSAPI_GET_SYSTEM_SELECTION
under <ZK>Connected BW Source Systems</>, select the checkbox <ZK>Will
be copied as well </>for all source systems.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.