What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
I have been able to replicate the above issue on my form and managed to trace the source of the error.
YouTube is currently updating their API and this has made 3rd party components integrating to it unable to display the video, our widget is also affected too.
Our back-end team has been notified and we will update you once this issue is fixed