ORA-44786: Service operation cannot be completed.

Hi.

Version 19 Oracle Database. Creating a new PDB and a service for it. Cannot START or STOP or DELETE the service.

1. Created new PDB
2. Created new service for the PDB. Now, I can't stop it or delete it !!
3. Tried to start the service for the PDB - fail.
4. Tried to stop the service for the PDB - fail.
5. Tried to delete the service for the PDB - fail.

Details:

create pluggable database test1 admin user test1dba identified by 'test1dba';

Pluggable database created

alter pluggable database test1 open;

Pluggable database altered.

execute dbms_service.create_service ('test1','test1.world');