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Were you referring to this Paypal Payflow ? If not can you share to us the URL of the website.
Currently we do not have Paypal Payflow integration yet.
But just in case please check this thread as well
It should help if you have other issue with regards to your payment form.
I will also submit a request ticket for Payflow once you have confirm that it is the same integration you were referring to.
We will wait for your response.