1. Take note of which record should be the Primary and which should be deleted (duplicate). 
2. In Student Billing, navigate to Records > Students. 
3. Open up the duplicate student record. 
4. Click on the Activity tab then select New Charge. 
5. Add a fake charge to the students record and do not post it. 
6. Go back to Registrar's Office and navigate to Administration > Merge Records.  
7. The records merge successfully without error.