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.
Please follow this steps
1. Delete first the existing payment tool on the form.
2. Select the 'YES' option in the delete Confirmation dialog screen
3. Add the new Payment Tool. It will use again the old existing products/items from previous payment tool used.
Save the form.
Hope this help. Let us know if you need further assistance.