Why is my paypal connection failing?

Hi,

I checked your form and verified that you are using the Paypal Checkout integration. Please note that the Paypal Checkout requires a business or premier account. 

For your reference: How to Integrate Form to PayPal Checkout

If you prefer to use your personal account you can use the Paypal Standard payment tool.

Guide: How to Integrate Form with Paypal Standard-

If the issue still persists when linking your business account to Paypal Checkout, please provide a screenshot of what happens or if you are showing any error message. kindly follow this guide to post your screenshot: How to Post Screenshots to Our Support Forum

Looking forward to your response.