ORA-16521
Service name specified in connect identifier connects to a PDB.
Cause
The connect identifier that was specified resulted in a connection to a pluggable database (PDB) and not to the multitenant container database root.
Action
Check the connect identifier and confirm that it specifies a service name that results in a connection to the multitenant container database root.
ORA-16521
Service name specified in connect identifier connects to a pluggable database.
Cause
The connect identifier specified resulted in a connection to a pluggable database and not to the multitenant container database root.
Action
Check the connect identifier and confirm that it specifies a service name that results in a connection to the multitenant container database root.
ORA-16521
Service name specified in connect identifier connects to a pluggable database.
Cause
The connect identifier specified resulted in a connection to a pluggable database and not to the multitenant container database root.
Action
Check the connect identifier and confirm that it specifies a service name that results in a connection to the multitenant container database root.
