dubbed only 60 seconds of a 10 min video

why its dubbing only 60 seconds of a 10 min long video, how i can dub long videos in one go 

<img width="1557" height="794" alt="Image" src="https://github.com/user-attachments/assets/e95efdbe-2a23-493a-95f9-f43f0cad64c6" />