SAP Message RSDS177 - DataSource &1(&2) cannot exist as object type RSDS

Diagnosis
A BW DataSource with SOAP Connection or a BW DataSource withUD Connect cannot exist as a DataSource of object type R3TR RSDS.
Migration is not possible as the DataSource is no longer in the Myselfsource system after migration.

Procedure
Use the available DataSource 3.x to create a copy in the required targetsource system.
For a BW DataSource with SOAP Connection, this is a source systemof type Web Service and for a BW DataSource with UD Connect it is a source system of type UD Connect.