ORA-01103: database name 'CLONE' in control file is not 'PROD'

Dear All,

Starting up database on test server gives:

ORA-01103: database name 'CLONE' in control file is not 'PROD'

This database name is PROD;

Issue Details:

1. There was only 11.2  database on this test; (db_name=PROD) and it was working smoothly;

2. We are using EBS 12.1.2; with 11.1.0.7 db; we faced technical issues so we had to create clone instance to solve theses issues;

3. On the test server where the PROD database is exists; we shut database down;

4. We created the clone instance on this test server and named database as clone;(db_name=CLONE);

5. This clone worked fine;

6. we shutdown this clone database; and tried to startup 11.2 database (bd_name is PROD);