I am trying to make a subtitled VF from an original DCP which I have received.
I have followed all the steps in the manual:
- Create new film and save it;
- Use the "Add folder" button to import OV DCP;
- Use the "Add file" button to import subtitles;
Problem is: every time I do this, the REFER TO EXISTING DCP checkbox is greyed out / unavailable.
Has anyone got any idea why this might be?
Desperation hitting here, any help is much appreciated!

Many thanks!