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.
Generally, incomplete payments means interrupted payment process. Below, you can find more detailed information about this topic:
As you referred, if you sure about the payments are made successfully, the only reason causing this issue is that IPN hasn't received to us. This is something you need to set in Paypal. Also, you will have option to re-send previous submissions.
To enable IPN for Paypal, just follow the tutorial from the following link:
For further assistance, please always feel free to contact us.