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 cloned your form into my account for testing, and the cloned version appears to be submitting without any errors:
As it works fine on my end, I have also tried submitting your form directly, and it too submitted without any issues:
You will recognize the test submission by it having "Boris JotForm Test" as the name, and firstname.lastname@example.org as email address.
I did not encounter any issues in submitting your form. If you are still having this problem, can you please provide a little more information about how you are testing the form when the issue happens?
Including a screenshot of the issue might help us better understand what the issue may be, and you can attach images to your posts by following these instructions:
Please let us know if the issue is still there, in which case please provide a little more information as described above. We look forward to hearing from you.