My registration form is disabled and I dont know why.

I tried deleting all my old submissions because i needed an upgrade. Still is not working.

Your account has been suspended due to a form created to collect sensitive credit card information:

This goes against our terms of use: https://www.jotform.com/help/8-Terms-of-Use 

In order to activate your account, we have deleted those guilty fields. Please use any of our integrated payment gateways if you want to create a payment form:

https://www.jotform.com/help/47-Order-Form-Basics 

https://www.jotform.com/help/49-Order-Form-Types 

https://www.jotform.com/help/165-Setting-Up-Your-First-Order-Form 

Let us know if you have more questions, we will be glad to assist you.