Paypal NEW + User Upgrades

Hi guys, I am trying to enable user upgrades in my Xenforo 2.3.2 version. I tried this long ago and could not activate it, now I notice there is new PAYPAL connector, so I gave it second try - but still not working. My Paypal account is Bussiness and I can receive payments when I send invoice to my customers. Posting some pictures of my setup, can you give me clue what I am missing ?

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