I am developer from India; I am facing problem PayPal integration in OJS 184.108.40.206.
I am following this process: -
Create REST API on my Business Account (Like- Journal) (Link- https://developer.paypal.com/docs/integration/admin/manage-apps/)
Fill the PayPal Payments Setting - Use LIVE API CREDENTIALS (Like - Account Name, Client ID, Secret)
But the PayPal payment is not working. Everytime when trie to make a purchase it shows a error. (Please see Attach Screenshot)