YOUR AD HERE
Contact support, I think they can help you.
Here is the Official Dynadot thread, you can ask your question there
i asked them and they said we have created ticket now wait for update, i ask how much time, they told me 5 to 7 working days, that mean i'll loss my sale?
You can try your any domain on dynadot if the same problem that mean a bug otherwise issue in my account.
My unlocking domain issue resolved by dynadot support after i contacted them and they resolved within 1 hour, really they are very nice and quick support.