SOLUTION: It helped for me so i think this could help you aswell. Take a computer and go to "play.google.com/store/account" (You must be signed in!) Then add your PayPal-Account with your computer and not your phone. There you have to sign in to PayPal and accept some policies. Afterwards you should be signed in successfully and the payment mothod should also be available at your phone with the account you have linked. Best regards 4luc4rd212
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