Found in Version 10.0.21.0
Resolved in Version 10.0.25.0

Bug: When a view isn't saved prior to going into FR Designer, sub report names will be missing the view name. Additionally, changing a sub report's data source should not be allowed.

Steps to reproduce:

1. Create a new view
2. Run the View
3. Go into FR Designer
4. Add sub band
5. Add sub report into sub band
6. Change sub report data source

Expected Result:

Actual Result: