Navi-DVD V16

Hello, I bought and inserted the DVD V16. The RNS810 shows the progress of the copy process via the ejection button, this morning after about 40 minutes the progress bar was about 60%. If you then switch off the Phaeton, and after a short time again, then the copy process starts at the place as before. Then (at about 65%) I had to park the car for a longer appointment… If I now put the new DVD in and the ejection button press to display the copy progress, only the DVD is ejected. Where can I now check the status of the Navi version or how can the copy process be started manually? Can’t be finished. Thanks in advance.