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.
You've created 2 forms that have a field in them labeled as username and this is why your forms were disabled.
We have an anti-phishing detector system that searches for fields that could be used to steal sensitive information such as usernames and passwords. I don't think you're doing this, but I suggest you to use a different label to avoid this.
Either way, I've reactivated your account and forms.