Hi Support team, I have a website that is developed in php and i sucesfully integrated PayPal-PHP-Sdk. Using the sdk i performed credit card payment it is working as expected in sandbox but not in live, below are my log's in production. Could you please guide me to resolve this. [17-11-2017 03:23:48] PayPal\Core\PayPalHttpConnection : INFO: POST https://api.paypal.com/v1/oauth2/token [17-11-2017 03:23:49] PayPal\Core\PayPalHttpConnection : INFO: Invalid or no certificate authority found - Retrying using bundled CA certs file [17-11-2017 03:23:50] PayPal\Core\PayPalHttpConnection : INFO: Response Status : 200 [17-11-2017 03:23:50] PayPal\Core\PayPalHttpConnection : INFO: POST https://api.paypal.com/v1/vault/credit-cards [17-11-2017 03:23:50] PayPal\Core\PayPalHttpConnection : INFO: Invalid or no certificate authority found - Retrying using bundled CA certs file [17-11-2017 03:23:51] PayPal\Core\PayPalHttpConnection : INFO: Response Status : 201 [17-11-2017 03:23:51] PayPal\Core\PayPalHttpConnection : INFO: GET https://api.paypal.com/v1/vault/credit-cards/CARD-5PG687970N058774GLIHLDDQ [17-11-2017 03:23:52] PayPal\Core\PayPalHttpConnection : INFO: Invalid or no certificate authority found - Retrying using bundled CA certs file [17-11-2017 03:23:53] PayPal\Core\PayPalHttpConnection : INFO: Response Status : 200 [17-11-2017 03:29:23] PayPal\Core\PayPalHttpConnection : INFO: POST https://api.paypal.com/v1/payments/payment [17-11-2017 03:29:23] PayPal\Core\PayPalHttpConnection : INFO: Invalid or no certificate authority found - Retrying using bundled CA certs file [17-11-2017 03:29:24] PayPal\Core\PayPalHttpConnection : INFO: Response Status : 401 [17-11-2017 03:29:24] PayPal\Core\PayPalHttpConnection : ERROR: Got Http response code 401 when accessing https://api.paypal.com/v1/payments/payment. {"name":"UNAUTHORIZED_PAYMENT","message":"Unauthorized payment.","information_link":"https://developer.paypal.com/docs/api/payments/#errors","debug_id":"fbfd36faa8462"} [17-11-2017 03:30:24] PayPal\Core\PayPalHttpConnection : INFO: POST https://api.paypal.com/v1/payments/payment [17-11-2017 03:30:24] PayPal\Core\PayPalHttpConnection : INFO: Invalid or no certificate authority found - Retrying using bundled CA certs file [17-11-2017 03:30:25] PayPal\Core\PayPalHttpConnection : INFO: Response Status : 401 [17-11-2017 03:30:25] PayPal\Core\PayPalHttpConnection : ERROR: Got Http response code 401 when accessing https://api.paypal.com/v1/payments/payment. {"name":"UNAUTHORIZED_PAYMENT","message":"Unauthorized payment.","information_link":"https://developer.paypal.com/docs/api/payments/#errors","debug_id":"2ec0637f47e3"}
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