ORAD: A database connection is required to perform a full or incremental snapshot.
Either a full snapshot is required because no data exists in the dynamic dictionary, or an incremental snapshot is required because the filter list of objects of interest has changed. However, a database connection cannot be established to perform the full or incremental snapshot.
The process will shut down.
Provide database credentials that allow the PowerExchange process to connect to the database and read the Oracle catalog.