We're changing credentials from an old paypal integration in our website to a new account (no longer have access to the old one.) We haven't changed anything in our integration (which used to be working) but when changing to the credentials on our new account we're getting this error during our SetExpressCheckout Event. We're using the old nvp soap api. ACK: Failure Detailed Error Message: You are not signed up to accept payment for digitally delivered goods. Short Error Message: Transaction refused because of an invalid argument. See additional error messages for details. Error Code: 10004 Error Severity Code: Error This works ok in sandbox mode, the account we are using is a business one too.
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