In order use the plugin correctly make sure the following requirements are met
PayPal requirements
- you need to own a Business kind of account
- You need to have created a PayPal app
- the PayPal Adaptive Payments service needs to be active on your account
Server Requirements
- TLS1.2 Protocol
- SHA-256 Encryption
- HTTP1.1
YITH Paypal Adaptive Payments for WooCommerce doesn’t manage recurring payments.