diff --git a/src/DataMapper/ResponseDataMapper/KuveytPosResponseDataMapper.php b/src/DataMapper/ResponseDataMapper/KuveytPosResponseDataMapper.php
index c3fcf983..e5f4910f 100644
--- a/src/DataMapper/ResponseDataMapper/KuveytPosResponseDataMapper.php
+++ b/src/DataMapper/ResponseDataMapper/KuveytPosResponseDataMapper.php
@@ -431,7 +431,7 @@ protected function map3DCommonResponseData(array $raw3DAuthResponseData): array
             $vPosMessage = $raw3DAuthResponseData['VPosMessage'];
             $orderId     = $vPosMessage['MerchantOrderId'];
         } else {
-            $orderId = $raw3DAuthResponseData['MerchantOrderId'];
+            $orderId = $raw3DAuthResponseData['MerchantOrderId'] ?? null;
         }
 
         $default = [
@@ -445,6 +445,7 @@ protected function map3DCommonResponseData(array $raw3DAuthResponseData): array
             'status_detail'        => $this->getStatusDetail($procReturnCode),
             'amount'               => null,
             'currency'             => null,
+            'masked_number'        => null,
             'tx_status'            => null,
             'error_code'           => self::TX_APPROVED !== $status ? $procReturnCode : null,
             'md_error_message'     => self::TX_APPROVED !== $status ? $raw3DAuthResponseData['ResponseMessage'] : null,
diff --git a/src/DataMapper/ResponseDataMapper/VakifKatilimPosResponseDataMapper.php b/src/DataMapper/ResponseDataMapper/VakifKatilimPosResponseDataMapper.php
index 347a57b7..cb532986 100644
--- a/src/DataMapper/ResponseDataMapper/VakifKatilimPosResponseDataMapper.php
+++ b/src/DataMapper/ResponseDataMapper/VakifKatilimPosResponseDataMapper.php
@@ -437,7 +437,7 @@ protected function map3DCommonResponseData(array $raw3DAuthResponseData): array
             $status = self::TX_APPROVED;
         }
 
-        $orderId = $raw3DAuthResponseData['MerchantOrderId'];
+        $orderId = $raw3DAuthResponseData['MerchantOrderId'] ?? null;
 
         return [
             'order_id'             => $orderId,
diff --git a/tests/Unit/DataMapper/ResponseDataMapper/KuveytPosResponseDataMapperTest.php b/tests/Unit/DataMapper/ResponseDataMapper/KuveytPosResponseDataMapperTest.php
index 0aeadac6..cbc8e2b2 100644
--- a/tests/Unit/DataMapper/ResponseDataMapper/KuveytPosResponseDataMapperTest.php
+++ b/tests/Unit/DataMapper/ResponseDataMapper/KuveytPosResponseDataMapperTest.php
@@ -342,6 +342,50 @@ public static function paymentTestDataProvider(): iterable
     public static function threeDPaymentDataProvider(): array
     {
         return [
+            'invalid_configuration'          => [
+                'order'              => [],
+                'txType'             => PosInterface::TX_TYPE_PAY_AUTH,
+                'threeDResponseData' => [
+                    'IsEnrolled'      => false,
+                    'IsVirtual'       => false,
+                    'ResponseCode'    => 'InvalidTransactionSecurity',
+                    'ResponseMessage' => 'İşlem türü geçersizdir.',
+                    'OrderId'         => 0,
+                    'TransactionTime' => '0001-01-01T00:00:00',
+                    'ReferenceId'     => '2860e2d55e92435fa232a5dde55f68a9',
+                    'MerchantId'      => [
+                        '@xsi:nil' => true,
+                        '#'        => '',
+                    ],
+                    'BusinessKey'     => 0,
+                    '@xmlns:xsi'      => 'http://www.w3.org/2001/XMLSchema-instance',
+                    '@xmlns:xsd'      => 'http://www.w3.org/2001/XMLSchema',
+                ],
+                'paymentData'        => [],
+                'expectedData'       => [
+                    'transaction_id'       => null,
+                    'transaction_type'     => 'pay',
+                    'transaction_time'     => null,
+                    'transaction_security' => 'MPI fallback',
+                    'md_status'            => null,
+                    'amount'               => null,
+                    'currency'             => null,
+                    'tx_status'            => null,
+                    'md_error_message'     => 'İşlem türü geçersizdir.',
+                    'masked_number'        => null,
+                    'auth_code'            => null,
+                    'ref_ret_num'          => null,
+                    'batch_num'            => null,
+                    'error_message'        => null,
+                    'order_id'             => null,
+                    'proc_return_code'     => 'InvalidTransactionSecurity',
+                    'status'               => 'declined',
+                    'status_detail'        => 'InvalidTransactionSecurity',
+                    'error_code'           => 'InvalidTransactionSecurity',
+                    'payment_model'        => null,
+                    'installment_count'    => null,
+                ],
+            ],
             '3d_auth_success_payment_fail_1' => [
                 'order'              => [],
                 'txType'             => PosInterface::TX_TYPE_PAY_AUTH,
@@ -548,6 +592,7 @@ public static function threeDPaymentDataProvider(): array
                     'amount'               => null,
                     'currency'             => null,
                     'tx_status'            => null,
+                    'masked_number'        => null,
                     'md_error_message'     => 'Şifrelenen veriler (Hashdata) uyuşmamaktadır.',
                     'payment_model'        => null,
                     'installment_count'    => null,