I'm trying to add PayPal payments in a Prestashop (v1.7.3) store using the PayPal & Braintree Official Module (v3.11.6), but until now without success. Installed and configured the module without any problems, but every time i proceed with a payment this error is displayed to the user: Error in PayPal Error connecting to https://api-3t.sandbox.paypal.com/2.0 Tested the module in both sandbox and production environments, and the error still persists. I've SOAP and cURL extensions configured and i'm using Open SSL 1.0.2. What can be the problem?
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