You want to purchase a Form Publisher licence but Paypal informed you that you have already signed up with this account information. This article will explain why you have this issue and how to proceed.
Why can't you sign up with your account information?
You entered your credit card information on your Paypal account to purchase a Form Publisher licence and Paypal have sent you an error message: 'You have already signed up with this account information':
This error message means that you have already used the same credit card with a PayPal account.
How to solve this issue?
To use that specific credit card again, you must log yourself into your PayPal account. If you don’t wish to log yourself in, you must use another credit card that is not linked to a PayPal account.
If your issue is not resolved by the above linked article, please contact Paypal customer service for further troubleshooting.
To contact customer service, check the contact page which is at the bottom of any PayPal page for contact options, or reach out by Facebook or Twitter.