PayPal invoicing is displaying error.

at first everything worked great. few days later I retest everything and it was giving a order id invalid. so i removed the PayPal checkout and did PayPal invoicing now its saying invalid results or something billing name and recipients

I am sorry for the trouble caused to you. I did check your form and did not find any issue with that. When I tested your form by sending test submission, PayPal invoice was displayed correctly. Please check the screenshot below:

I would suggest you to please test your form again and get back to us if the issue persists. You may also like to share a screenshot of the error message, and we will take a look. The following guide should help you how to upload image in forum post: https://www.jotform.com/help/438-how-to-post-screenshots-to-our-support-forum

We will wait for your response.