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.
Based on your form limit settings (http://www.jotform.com/help/137-How-to-Limit-Submissions-in-a-Form), you have a Warning Message that says this but the limit in the form is not set so you should not suppose to get this.
I've cleared your forms cache (http://www.jotform.com/help/229-How-to-Clear-your-Form-Cache). Would you mind trying again?