diff -Nuar a/vendor/magento/module-paypal/Controller/Express/AbstractExpress/PlaceOrder.php b/vendor/magento/module-paypal/Controller/Express/AbstractExpress/PlaceOrder.php
index 055af4162d5..23348765888 100644
--- a/vendor/magento/module-paypal/Controller/Express/AbstractExpress/PlaceOrder.php
+++ b/vendor/magento/module-paypal/Controller/Express/AbstractExpress/PlaceOrder.php
@@ -173,6 +173,7 @@ class PlaceOrder extends \Magento\Paypal\Controller\Express\AbstractExpress
                 $this->_redirectSameToken();
                 break;
             case ApiProcessableException::API_ADDRESS_MATCH_FAIL:
+            case ApiProcessableException::API_TRANSACTION_HAS_BEEN_COMPLETED:
                 $this->redirectToOrderReviewPageAndShowError($exception->getUserMessage());
                 break;
             case ApiProcessableException::API_UNABLE_TRANSACTION_COMPLETE:
diff -Nuar a/vendor/magento/module-paypal/Model/Api/Nvp.php b/vendor/magento/module-paypal/Model/Api/Nvp.php
index 2d45bf488b6..0ddb135d1a1 100644
--- a/vendor/magento/module-paypal/Model/Api/Nvp.php
+++ b/vendor/magento/module-paypal/Model/Api/Nvp.php
@@ -1285,16 +1285,7 @@ class Nvp extends \Magento\Paypal\Model\Api\AbstractApi
             isset($response['VERSION']) ? $response['VERSION'] : ''
         );
         $this->_logger->critical($exceptionLogMessage);
-
-        /**
-         * The response code 10415 'Transaction has already been completed for this token'
-         * must not fails place order. The old Paypal interface does not lock 'Send' button
-         * it may result to re-send data.
-         */
-        if (in_array((string)ProcessableException::API_TRANSACTION_HAS_BEEN_COMPLETED, $this->_callErrors)) {
-            return;
-        }
-
+        
         $exceptionPhrase = __('PayPal gateway has rejected request. %1', $errorMessages);
 
         /** @var \Magento\Framework\Exception\LocalizedException $exception */
diff -Nuar a/vendor/magento/module-paypal/Model/Api/ProcessableException.php b/vendor/magento/module-paypal/Model/Api/ProcessableException.php
index 40ee6d98c43..12a11ff4424 100644
--- a/vendor/magento/module-paypal/Model/Api/ProcessableException.php
+++ b/vendor/magento/module-paypal/Model/Api/ProcessableException.php
@@ -67,6 +67,12 @@ class ProcessableException extends LocalizedException
                     . ' Please contact us so we can assist you.'
                 );
                 break;
+            case self::API_TRANSACTION_HAS_BEEN_COMPLETED:
+                $message = __(
+                    'A successful payment transaction has already been completed.'
+                    . ' Please, check if the order has been placed.'
+                );
+                break;
             case self::API_ADDRESS_MATCH_FAIL:
                 $message = __(
                     'A match of the Shipping Address City, State, and Postal Code failed.'
diff -Nuar a/vendor/magento/module-paypal/Model/Express.php b/vendor/magento/module-paypal/Model/Express.php
index 946c0fd4c66..39b1c6f7e3c 100644
--- a/vendor/magento/module-paypal/Model/Express.php
+++ b/vendor/magento/module-paypal/Model/Express.php
@@ -276,6 +276,7 @@ class Express extends \Magento\Payment\Model\Method\AbstractMethod
                 ApiProcessableException::API_MAXIMUM_AMOUNT_FILTER_DECLINE,
                 ApiProcessableException::API_OTHER_FILTER_DECLINE,
                 ApiProcessableException::API_ADDRESS_MATCH_FAIL,
+                ApiProcessableException::API_TRANSACTION_HAS_BEEN_COMPLETED,
                 self::$authorizationExpiredCode
             ]
         );