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 cloned your form and did a test submission but failed to reproduce any problem submitting the form.
To ensure it's not a unique issue on your form itself, I had to do a test submission on your actual form too. This was how it looked like from my perspective:
You would notice the form submitted successfully and worked as intended. If you could tell us how to replicate the problem, we can start looking for a resolution.
For the time being, please give it another try and let us know if the issue persists.