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.
Sorry to hear that, and thank you for letting us know.
We notice you have more than one form that has an upload feature.
Please share the link to the form that is generating this error, we'll be happy to take a look.
If you have responded to this thread via your e-mail, we were not able to recieved your latest message.
Please use this link instead http://www.jotform.com/answers/301197-Getting-an-Error-520-when-I-click-on-My-file-link-Uploaded-through-Jotform#2 to reply again.