OCI-11423
feature_name cannot be used with Autonomous Database Serverless (ADB-S).
- feature_name: The formal name of the DG PDB feature.
Cause
An attempt is being made to use the Data Guard for Pluggable Databases (DG PDB) feature in a session that is connected to ADB-S.
Action
Choose a non-ADB-S to participate in the DG PDB feature.