Error Created Payment Using PayPal. Please visit the URL to Approve.Payment{
    "intent": "sale",
    "payer": {
        "payment_method": "paypal"
    },
    "redirect_urls": {
        "return_url": "https://directoriofitness.com.mx/progymcloud_app/pagos/paypal/executeVisita.php?success=true&bd=&id_cliente=&plan=&importe=&nombre=&apellido=&fechaN=&email=&telefono=&domi=&colonia=&cp=&genero=&fechaR=&sucursal=&qr=",
        "cancel_url": "https://directoriofitness.com.mx/progymcloud_app/pagos/paypal/executeVisita.php?success=false"
    },
    "transactions": [
        {
            "amount": {
                "currency": "MXN"
            },
            "description": "Payment description",
            "invoice_number": "69e398a28bb3c"
        }
    ]
}PayPal\Exception\PayPalConnectionException: Got Http response code 401 when accessing https://api.sandbox.paypal.com/v1/oauth2/token. in /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/vendor/paypal/rest-api-sdk-php/lib/PayPal/Core/PayPalHttpConnection.php:207
Stack trace:
#0 /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/vendor/paypal/rest-api-sdk-php/lib/PayPal/Auth/OAuthTokenCredential.php(252): PayPal\Core\PayPalHttpConnection->execute('grant_type=clie...')
#1 /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/vendor/paypal/rest-api-sdk-php/lib/PayPal/Auth/OAuthTokenCredential.php(280): PayPal\Auth\OAuthTokenCredential->getToken(Array, NULL, NULL, 'grant_type=clie...')
#2 /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/vendor/paypal/rest-api-sdk-php/lib/PayPal/Auth/OAuthTokenCredential.php(216): PayPal\Auth\OAuthTokenCredential->generateAccessToken(Array, NULL)
#3 /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/vendor/paypal/rest-api-sdk-php/lib/PayPal/Auth/OAuthTokenCredential.php(166): PayPal\Auth\OAuthTokenCredential->updateAccessToken(Array)
#4 /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/vendor/paypal/rest-api-sdk-php/lib/PayPal/Handler/RestHandler.php(82): PayPal\Auth\OAuthTokenCredential->getAccessToken(Array)
#5 /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/vendor/paypal/rest-api-sdk-php/lib/PayPal/Transport/PayPalRestCall.php(75): PayPal\Handler\RestHandler->handle(Object(PayPal\Core\PayPalHttpConfig), '{"intent":"sale...', Array)
#6 /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/vendor/paypal/rest-api-sdk-php/lib/PayPal/Common/PayPalResourceModel.php(104): PayPal\Transport\PayPalRestCall->execute(Array, '/v1/payments/pa...', 'POST', '{"intent":"sale...', Array)
#7 /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/vendor/paypal/rest-api-sdk-php/lib/PayPal/Api/Payment.php(570): PayPal\Common\PayPalResourceModel::executeCall('/v1/payments/pa...', 'POST', '{"intent":"sale...', NULL, Object(PayPal\Rest\ApiContext), Object(PayPal\Transport\PayPalRestCall))
#8 /home/wwprog/api.progymcloudapp.com/progymcloud_app/pagos/paypal/paymentVisita.php(94): PayPal\Api\Payment->create(Object(PayPal\Rest\ApiContext))
#9 {main}