JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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 checked your account and there is currently an incomplete payment shown submitted today:
If a user closes the browser or didn't settle the payment after being redirected to the Payment Page, this will be logged as an Incomplete Payments. It will only be posted as a valid submission if the user completed the Payment and was able to completely process the transaction.
Here is a bit more information regarding incomplete payments: