diff --git a/app/code/Magento/Inventory/Controller/Adminhtml/Source/Save.php b/app/code/Magento/Inventory/Controller/Adminhtml/Source/Save.php
index b1b7ab293bde..253fe8510dcf 100644
--- a/app/code/Magento/Inventory/Controller/Adminhtml/Source/Save.php
+++ b/app/code/Magento/Inventory/Controller/Adminhtml/Source/Save.php
@@ -77,7 +77,9 @@ public function execute()
                 $this->messageManager->addErrorMessage(__('The Source does not exist.'));
                 $this->processRedirectAfterFailureSave($resultRedirect);
             } catch (ValidationException $e) {
-                $this->messageManager->addErrorMessage($e->getMessage());
+                foreach ($e->getErrors() as $localizedError) {
+                    $this->messageManager->addErrorMessage($localizedError->getMessage());
+                }
                 $this->processRedirectAfterFailureSave($resultRedirect, $sourceId);
             } catch (CouldNotSaveException $e) {
                 $this->messageManager->addErrorMessage($e->getMessage());
diff --git a/app/code/Magento/Inventory/Controller/Adminhtml/Stock/Save.php b/app/code/Magento/Inventory/Controller/Adminhtml/Stock/Save.php
index e687397f5707..07de43a913ee 100644
--- a/app/code/Magento/Inventory/Controller/Adminhtml/Stock/Save.php
+++ b/app/code/Magento/Inventory/Controller/Adminhtml/Stock/Save.php
@@ -87,7 +87,9 @@ public function execute()
                 $this->messageManager->addErrorMessage(__('The Stock does not exist.'));
                 $this->processRedirectAfterFailureSave($resultRedirect);
             } catch (ValidationException $e) {
-                $this->messageManager->addErrorMessage($e->getMessage());
+                foreach ($e->getErrors() as $localizedError) {
+                    $this->messageManager->addErrorMessage($localizedError->getMessage());
+                }
                 $this->processRedirectAfterFailureSave($resultRedirect, $stockId);
             } catch (CouldNotSaveException $e) {
                 $this->messageManager->addErrorMessage($e->getMessage());
diff --git a/app/code/Magento/Inventory/Model/Reservation/ReservationBuilder.php b/app/code/Magento/Inventory/Model/Reservation/ReservationBuilder.php
index af3b2b8d7878..73f88dbe4c83 100644
--- a/app/code/Magento/Inventory/Model/Reservation/ReservationBuilder.php
+++ b/app/code/Magento/Inventory/Model/Reservation/ReservationBuilder.php
@@ -121,7 +121,7 @@ public function build(): ReservationInterface
 
         $validationResult = $this->reservationValidator->validate($reservation);
         if (!$validationResult->isValid()) {
-            throw new ValidationException($validationResult);
+            throw new ValidationException(__('Validation Failed'), null, 0, $validationResult);
         }
         return $reservation;
     }
diff --git a/app/code/Magento/Inventory/Model/Source/Command/Save.php b/app/code/Magento/Inventory/Model/Source/Command/Save.php
index c58cfd8f1ac4..a8bbaf09f096 100644
--- a/app/code/Magento/Inventory/Model/Source/Command/Save.php
+++ b/app/code/Magento/Inventory/Model/Source/Command/Save.php
@@ -55,7 +55,7 @@ public function execute(SourceInterface $source)
         $validationResult = $this->sourceValidator->validate($source);
 
         if (!$validationResult->isValid()) {
-            throw new ValidationException($validationResult);
+            throw new ValidationException(__('Validation Failed'), null, 0, $validationResult);
         }
 
         try {
diff --git a/app/code/Magento/Inventory/Model/Stock/Command/Save.php b/app/code/Magento/Inventory/Model/Stock/Command/Save.php
index 1b1b3b2ba22e..ada2ddf4c296 100644
--- a/app/code/Magento/Inventory/Model/Stock/Command/Save.php
+++ b/app/code/Magento/Inventory/Model/Stock/Command/Save.php
@@ -54,7 +54,7 @@ public function execute(StockInterface $stock)
     {
         $validationResult = $this->stockValidator->validate($stock);
         if (!$validationResult->isValid()) {
-            throw new ValidationException($validationResult);
+            throw new ValidationException(__('Validation Failed'), null, 0, $validationResult);
         }
 
         try {
diff --git a/app/code/Magento/InventoryApi/Test/Api/SourceRepository/CarrierLinkManagementTest.php b/app/code/Magento/InventoryApi/Test/Api/SourceRepository/CarrierLinkManagementTest.php
index 7982a37fa697..69dbb5435b44 100644
--- a/app/code/Magento/InventoryApi/Test/Api/SourceRepository/CarrierLinkManagementTest.php
+++ b/app/code/Magento/InventoryApi/Test/Api/SourceRepository/CarrierLinkManagementTest.php
@@ -117,9 +117,14 @@ public function testAssignCarrierLinksIfUseGlobalConfigurationChosen()
         ];
 
         $expectedErrorData = [
-            'message' => 'You can\'t configure "%field" because you have chosen Global Shipping configuration.',
-            'parameters' => [
-                'field' => SourceInterface::CARRIER_LINKS,
+            'message' => 'Validation Failed',
+            'errors' => [
+                [
+                    'message' => 'You can\'t configure "%field" because you have chosen Global Shipping configuration.',
+                    'parameters' => [
+                        'field' => SourceInterface::CARRIER_LINKS,
+                    ],
+                ],
             ],
         ];
 
@@ -128,17 +133,16 @@ public function testAssignCarrierLinksIfUseGlobalConfigurationChosen()
             $this->fail('Expected throwing exception');
         } catch (\Exception $e) {
             if (TESTS_WEB_API_ADAPTER == self::ADAPTER_REST) {
-                $errorData = $this->processRestExceptionResult($e);
-                self::assertEquals($expectedErrorData, $errorData);
+                self::assertEquals($expectedErrorData, $this->processRestExceptionResult($e));
                 self::assertEquals(Exception::HTTP_BAD_REQUEST, $e->getCode());
             } elseif (TESTS_WEB_API_ADAPTER == self::ADAPTER_SOAP) {
                 $this->assertInstanceOf('SoapFault', $e);
-                $this->checkSoapFault(
-                    $e,
-                    $expectedErrorData['message'],
-                    'env:Sender',
-                    $expectedErrorData['parameters']
-                );
+                // @see \Magento\TestFramework\TestCase\WebapiAbstract::getActualWrappedErrors()
+                $expectedWrappedErrors = $expectedErrorData['errors'];
+                $expectedWrappedErrors[0]['params'] = $expectedWrappedErrors[0]['parameters'];
+                unset($expectedWrappedErrors[0]['parameters']);
+
+                $this->checkSoapFault($e, $expectedErrorData['message'], 'env:Sender', [], $expectedWrappedErrors);
             } else {
                 throw $e;
             }
diff --git a/app/code/Magento/InventoryApi/Test/Api/SourceRepository/ValidationTest.php b/app/code/Magento/InventoryApi/Test/Api/SourceRepository/ValidationTest.php
index d3d0105fb9a8..ad5b6cf34b47 100644
--- a/app/code/Magento/InventoryApi/Test/Api/SourceRepository/ValidationTest.php
+++ b/app/code/Magento/InventoryApi/Test/Api/SourceRepository/ValidationTest.php
@@ -54,17 +54,11 @@ public function testCreateWithMissedRequiredFields($field, array $expectedErrorD
             $this->fail('Expected throwing exception');
         } catch (\Exception $e) {
             if (TESTS_WEB_API_ADAPTER == self::ADAPTER_REST) {
-                $errorData = $this->processRestExceptionResult($e);
-                self::assertEquals($expectedErrorData['rest_message'], $errorData['message']);
-                self::assertEquals($expectedErrorData['parameters'], $errorData['parameters']);
+                self::assertEquals($expectedErrorData['rest'], $this->processRestExceptionResult($e));
                 self::assertEquals(Exception::HTTP_BAD_REQUEST, $e->getCode());
             } elseif (TESTS_WEB_API_ADAPTER == self::ADAPTER_SOAP) {
                 $this->assertInstanceOf('SoapFault', $e);
-                $this->checkSoapFault(
-                    $e,
-                    $expectedErrorData['soap_message'],
-                    'Sender'
-                );
+                $this->checkSoapFault($e, $expectedErrorData['soap']['message'], 'Sender');
             } else {
                 throw $e;
             }
@@ -80,20 +74,38 @@ public function dataProviderRequiredFields()
             'without_' . SourceInterface::NAME => [
                 SourceInterface::NAME,
                 [
-                    'rest_message' => '"%field" can not be empty.',
-                    'soap_message' => sprintf('object has no \'%s\' property', SourceInterface::NAME),
-                    'parameters' => [
-                        'field' => SourceInterface::NAME,
+                    'rest' => [
+                        'message' => 'Validation Failed',
+                        'errors' => [
+                            [
+                                'message' => '"%field" can not be empty.',
+                                'parameters' => [
+                                    'field' => SourceInterface::NAME,
+                                ],
+                            ],
+                        ],
+                    ],
+                    'soap' => [
+                        'message' => 'object has no \'' . SourceInterface::NAME . '\' property',
                     ],
                 ],
             ],
             'without_' . SourceInterface::POSTCODE => [
                 SourceInterface::POSTCODE,
                 [
-                    'rest_message' => '"%field" can not be empty.',
-                    'soap_message' => sprintf('object has no \'%s\' property', SourceInterface::POSTCODE),
-                    'parameters' => [
-                        'field' => SourceInterface::POSTCODE,
+                    'rest' => [
+                        'message' => 'Validation Failed',
+                        'errors' => [
+                            [
+                                'message' => '"%field" can not be empty.',
+                                'parameters' => [
+                                    'field' => SourceInterface::POSTCODE,
+                                ],
+                            ],
+                        ],
+                    ],
+                    'soap' => [
+                        'message' => 'object has no \'' . SourceInterface::POSTCODE . '\' property',
                     ],
                 ],
             ],
@@ -160,9 +172,14 @@ public function failedValidationDataProvider()
                 SourceInterface::NAME,
                 null,
                 [
-                    'message' => '"%field" can not be empty.',
-                    'parameters' => [
-                        'field' => SourceInterface::NAME,
+                    'message' => 'Validation Failed',
+                    'errors' => [
+                        [
+                            'message' => '"%field" can not be empty.',
+                            'parameters' => [
+                                'field' => SourceInterface::NAME,
+                            ],
+                        ],
                     ],
                 ],
             ],
@@ -170,9 +187,14 @@ public function failedValidationDataProvider()
                 SourceInterface::NAME,
                 ' ',
                 [
-                    'message' => '"%field" can not be empty.',
-                    'parameters' => [
-                        'field' => SourceInterface::NAME,
+                    'message' => 'Validation Failed',
+                    'errors' => [
+                        [
+                            'message' => '"%field" can not be empty.',
+                            'parameters' => [
+                                'field' => SourceInterface::NAME,
+                            ],
+                        ],
                     ],
                 ],
             ],
@@ -180,9 +202,14 @@ public function failedValidationDataProvider()
                 SourceInterface::POSTCODE,
                 null,
                 [
-                    'message' => '"%field" can not be empty.',
-                    'parameters' => [
-                        'field' => SourceInterface::POSTCODE,
+                    'message' => 'Validation Failed',
+                    'errors' => [
+                        [
+                            'message' => '"%field" can not be empty.',
+                            'parameters' => [
+                                'field' => SourceInterface::POSTCODE,
+                            ],
+                        ],
                     ],
                 ],
             ],
@@ -190,9 +217,14 @@ public function failedValidationDataProvider()
                 SourceInterface::POSTCODE,
                 ' ',
                 [
-                    'message' => '"%field" can not be empty.',
-                    'parameters' => [
-                        'field' => SourceInterface::POSTCODE,
+                    'message' => 'Validation Failed',
+                    'errors' => [
+                        [
+                            'message' => '"%field" can not be empty.',
+                            'parameters' => [
+                                'field' => SourceInterface::POSTCODE,
+                            ],
+                        ],
                     ],
                 ],
             ],
@@ -200,9 +232,14 @@ public function failedValidationDataProvider()
                 SourceInterface::COUNTRY_ID,
                 null,
                 [
-                    'message' => '"%field" can not be empty.',
-                    'parameters' => [
-                        'field' => SourceInterface::COUNTRY_ID,
+                    'message' => 'Validation Failed',
+                    'errors' => [
+                        [
+                            'message' => '"%field" can not be empty.',
+                            'parameters' => [
+                                'field' => SourceInterface::COUNTRY_ID,
+                            ],
+                        ],
                     ],
                 ],
             ],
@@ -210,9 +247,14 @@ public function failedValidationDataProvider()
                 SourceInterface::COUNTRY_ID,
                 ' ',
                 [
-                    'message' => '"%field" can not be empty.',
-                    'parameters' => [
-                        'field' => SourceInterface::COUNTRY_ID,
+                    'message' => 'Validation Failed',
+                    'errors' => [
+                        [
+                            'message' => '"%field" can not be empty.',
+                            'parameters' => [
+                                'field' => SourceInterface::COUNTRY_ID,
+                            ],
+                        ],
                     ],
                 ],
             ],
@@ -232,17 +274,19 @@ private function webApiCall(array $serviceInfo, array $data, array $expectedErro
             $this->fail('Expected throwing exception');
         } catch (\Exception $e) {
             if (TESTS_WEB_API_ADAPTER == self::ADAPTER_REST) {
-                $errorData = $this->processRestExceptionResult($e);
-                self::assertEquals($expectedErrorData, $errorData);
+                self::assertEquals($expectedErrorData, $this->processRestExceptionResult($e));
                 self::assertEquals(Exception::HTTP_BAD_REQUEST, $e->getCode());
             } elseif (TESTS_WEB_API_ADAPTER == self::ADAPTER_SOAP) {
                 $this->assertInstanceOf('SoapFault', $e);
-                $this->checkSoapFault(
-                    $e,
-                    $expectedErrorData['message'],
-                    'env:Sender',
-                    $expectedErrorData['parameters']
-                );
+                $expectedWrappedErrors = [];
+                foreach ($expectedErrorData['errors'] as $error) {
+                    // @see \Magento\TestFramework\TestCase\WebapiAbstract::getActualWrappedErrors()
+                    $expectedWrappedErrors[] = [
+                        'message' => $error['message'],
+                        'params' => $error['parameters'],
+                    ];
+                }
+                $this->checkSoapFault($e, $expectedErrorData['message'], 'env:Sender', [], $expectedWrappedErrors);
             } else {
                 throw $e;
             }
diff --git a/app/code/Magento/InventoryApi/Test/Api/StockRepository/ValidationTest.php b/app/code/Magento/InventoryApi/Test/Api/StockRepository/ValidationTest.php
index 753122eecde2..0472b1bf37b1 100644
--- a/app/code/Magento/InventoryApi/Test/Api/StockRepository/ValidationTest.php
+++ b/app/code/Magento/InventoryApi/Test/Api/StockRepository/ValidationTest.php
@@ -52,17 +52,11 @@ public function testCreateWithMissedRequiredFields($field, array $expectedErrorD
             $this->fail('Expected throwing exception');
         } catch (\Exception $e) {
             if (TESTS_WEB_API_ADAPTER == self::ADAPTER_REST) {
-                $errorData = $this->processRestExceptionResult($e);
-                self::assertEquals($expectedErrorData['rest_message'], $errorData['message']);
-                self::assertEquals($expectedErrorData['parameters'], $errorData['parameters']);
+                self::assertEquals($expectedErrorData['rest'], $this->processRestExceptionResult($e));
                 self::assertEquals(Exception::HTTP_BAD_REQUEST, $e->getCode());
             } elseif (TESTS_WEB_API_ADAPTER == self::ADAPTER_SOAP) {
                 $this->assertInstanceOf('SoapFault', $e);
-                $this->checkSoapFault(
-                    $e,
-                    $expectedErrorData['soap_message'],
-                    'Sender'
-                );
+                $this->checkSoapFault($e, $expectedErrorData['soap']['message'], 'Sender');
             } else {
                 throw $e;
             }
@@ -78,10 +72,19 @@ public function dataProviderRequiredFields()
             'without_' . StockInterface::NAME => [
                 StockInterface::NAME,
                 [
-                    'rest_message' => '"%field" can not be empty.',
-                    'soap_message' => sprintf('object has no \'%s\' property', StockInterface::NAME),
-                    'parameters' => [
-                        'field' => StockInterface::NAME,
+                    'rest' => [
+                        'message' => 'Validation Failed',
+                        'errors' => [
+                            [
+                                'message' => '"%field" can not be empty.',
+                                'parameters' => [
+                                    'field' => StockInterface::NAME,
+                                ],
+                            ],
+                        ],
+                    ],
+                    'soap' => [
+                        'message' => 'object has no \'' . StockInterface::NAME . '\' property',
                     ],
                 ],
             ],
@@ -148,9 +151,14 @@ public function failedValidationDataProvider()
                 StockInterface::NAME,
                 null,
                 [
-                    'message' => '"%field" can not be empty.',
-                    'parameters' => [
-                        'field' => StockInterface::NAME,
+                    'message' => 'Validation Failed',
+                    'errors' => [
+                        [
+                            'message' => '"%field" can not be empty.',
+                            'parameters' => [
+                                'field' => StockInterface::NAME,
+                            ],
+                        ],
                     ],
                 ],
             ],
@@ -158,9 +166,14 @@ public function failedValidationDataProvider()
                 StockInterface::NAME,
                 ' ',
                 [
-                    'message' => '"%field" can not be empty.',
-                    'parameters' => [
-                        'field' => StockInterface::NAME,
+                    'message' => 'Validation Failed',
+                    'errors' => [
+                        [
+                            'message' => '"%field" can not be empty.',
+                            'parameters' => [
+                                'field' => StockInterface::NAME,
+                            ],
+                        ],
                     ],
                 ],
             ],
@@ -180,17 +193,19 @@ private function webApiCall(array $serviceInfo, array $data, array $expectedErro
             $this->fail('Expected throwing exception');
         } catch (\Exception $e) {
             if (TESTS_WEB_API_ADAPTER == self::ADAPTER_REST) {
-                $errorData = $this->processRestExceptionResult($e);
-                self::assertEquals($expectedErrorData, $errorData);
+                self::assertEquals($expectedErrorData, $this->processRestExceptionResult($e));
                 self::assertEquals(Exception::HTTP_BAD_REQUEST, $e->getCode());
             } elseif (TESTS_WEB_API_ADAPTER == self::ADAPTER_SOAP) {
                 $this->assertInstanceOf('SoapFault', $e);
-                $this->checkSoapFault(
-                    $e,
-                    $expectedErrorData['message'],
-                    'env:Sender',
-                    $expectedErrorData['parameters']
-                );
+                $expectedWrappedErrors = [];
+                foreach ($expectedErrorData['errors'] as $error) {
+                    // @see \Magento\TestFramework\TestCase\WebapiAbstract::getActualWrappedErrors()
+                    $expectedWrappedErrors[] = [
+                        'message' => $error['message'],
+                        'params' => $error['parameters'],
+                    ];
+                }
+                $this->checkSoapFault($e, $expectedErrorData['message'], 'env:Sender', [], $expectedWrappedErrors);
             } else {
                 throw $e;
             }
diff --git a/app/code/Magento/InventoryApi/Test/Api/StockSourceLink/UnassignSourceFromStockTest.php b/app/code/Magento/InventoryApi/Test/Api/StockSourceLink/UnassignSourceFromStockTest.php
index 0998df4a61a9..b01d2efb2005 100644
--- a/app/code/Magento/InventoryApi/Test/Api/StockSourceLink/UnassignSourceFromStockTest.php
+++ b/app/code/Magento/InventoryApi/Test/Api/StockSourceLink/UnassignSourceFromStockTest.php
@@ -91,8 +91,7 @@ public function testUnassignSourceFromStockWithWrongParameters($sourceId, $stock
             $this->_webApiCall($serviceInfo);
             $this->fail('Expected throwing exception');
         } catch (\Exception $e) {
-            $errorData = $this->processRestExceptionResult($e);
-            self::assertEquals($expectedErrorData['message'], $errorData['message']);
+            self::assertEquals($expectedErrorData, $this->processRestExceptionResult($e));
             self::assertEquals(Exception::HTTP_BAD_REQUEST, $e->getCode());
         }
     }
diff --git a/dev/tests/api-functional/framework/Magento/TestFramework/TestCase/WebapiAbstract.php b/dev/tests/api-functional/framework/Magento/TestFramework/TestCase/WebapiAbstract.php
index 46a2358b17bb..d09b6095af00 100644
--- a/dev/tests/api-functional/framework/Magento/TestFramework/TestCase/WebapiAbstract.php
+++ b/dev/tests/api-functional/framework/Magento/TestFramework/TestCase/WebapiAbstract.php
@@ -638,27 +638,15 @@ protected function _checkWrappedErrors($expectedWrappedErrors, $errorDetails)
         $wrappedErrorsNode = Fault::NODE_DETAIL_WRAPPED_ERRORS;
         if ($expectedWrappedErrors) {
             $wrappedErrorNode = Fault::NODE_DETAIL_WRAPPED_ERROR;
-            $wrappedErrorNodeFieldName = 'fieldName';
-            $wrappedErrorNodeValue = Fault::NODE_DETAIL_WRAPPED_ERROR_VALUE;
             $actualWrappedErrors = [];
             if (isset($errorDetails->$wrappedErrorsNode->$wrappedErrorNode)) {
-                if (is_array($errorDetails->$wrappedErrorsNode->$wrappedErrorNode)) {
-                    foreach ($errorDetails->$wrappedErrorsNode->$wrappedErrorNode as $error) {
-                        $actualParameters = [];
-                        foreach ($error->parameters->parameter as $parameter) {
-                            $actualParameters[$parameter->key] = $parameter->value;
-                        }
-                        $actualWrappedErrors[] = [
-                            'message' => $error->message,
-                            'params' => $actualParameters,
-                        ];
+                $errorNode = $errorDetails->$wrappedErrorsNode->$wrappedErrorNode;
+                if (is_array($errorNode)) {
+                    foreach ($errorNode as $error) {
+                        $actualWrappedErrors[] = $this->getActualWrappedErrors($error);
                     }
                 } else {
-                    $error = $errorDetails->$wrappedErrorsNode->$wrappedErrorNode;
-                    $actualWrappedErrors[] = [
-                        "fieldName" => $error->$wrappedErrorNodeFieldName,
-                        "value" => $error->$wrappedErrorNodeValue,
-                    ];
+                    $actualWrappedErrors[] = $this->getActualWrappedErrors($errorNode);
                 }
             }
             $this->assertEquals(
@@ -673,4 +661,26 @@ protected function _checkWrappedErrors($expectedWrappedErrors, $errorDetails)
             );
         }
     }
+
+    /**
+     * @param \stdClass $errorNode
+     * @return array
+     */
+    private function getActualWrappedErrors(\stdClass $errorNode)
+    {
+        $actualParameters = [];
+        $parameterNode = $errorNode->parameters->parameter;
+        if (is_array($parameterNode)) {
+            foreach ($parameterNode as $parameter) {
+                $actualParameters[$parameter->key] = $parameter->value;
+            }
+        } else {
+            $actualParameters[$parameterNode->key] = $parameterNode->value;
+        }
+        return [
+            'message' => $errorNode->message,
+            // Can not rename on parameters due to Backward Compatibility
+            'params' => $actualParameters,
+        ];
+    }
 }
diff --git a/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php b/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php
index 56c3bd285bc1..0b92e640713e 100644
--- a/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php
+++ b/lib/internal/Magento/Framework/Exception/AbstractAggregateException.php
@@ -11,7 +11,7 @@
 /**
  * @api
  */
-abstract class AbstractAggregateException extends LocalizedException
+abstract class AbstractAggregateException extends LocalizedException implements AggregateExceptionInterface
 {
     /**
      * The array of errors that have been added via the addError() method
@@ -89,9 +89,7 @@ public function wasErrorAdded()
     }
 
     /**
-     * Get the array of LocalizedException objects. Get an empty array if no errors were added.
-     *
-     * @return \Magento\Framework\Exception\LocalizedException[]
+     * @inheritdoc
      */
     public function getErrors()
     {
diff --git a/lib/internal/Magento/Framework/Exception/AggregateExceptionInterface.php b/lib/internal/Magento/Framework/Exception/AggregateExceptionInterface.php
new file mode 100644
index 000000000000..d7b6f6fce3f8
--- /dev/null
+++ b/lib/internal/Magento/Framework/Exception/AggregateExceptionInterface.php
@@ -0,0 +1,25 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+namespace Magento\Framework\Exception;
+
+/**
+ * AggregateExceptionInterface Extension Point introduced to support Multiple Errors returned as a result of Validation
+ * not mandating to inherit from AbstractAggregateException class
+ *
+ * @api
+ */
+interface AggregateExceptionInterface
+{
+    /**
+     * Returns LocalizedException[] array to be compatible with current Implementation in Web API which relies on
+     * this behavior
+     *
+     * @see the \Magento\Framework\Webapi\Exception which receives $errors as a set of Localized Exceptions
+     *
+     * @return LocalizedException[]
+     */
+    public function getErrors();
+}
diff --git a/lib/internal/Magento/Framework/Validation/ValidationException.php b/lib/internal/Magento/Framework/Validation/ValidationException.php
index 8688c92ff691..4e30e3083fc9 100644
--- a/lib/internal/Magento/Framework/Validation/ValidationException.php
+++ b/lib/internal/Magento/Framework/Validation/ValidationException.php
@@ -5,25 +5,49 @@
  */
 namespace Magento\Framework\Validation;
 
-use Magento\Framework\Exception\AbstractAggregateException;
+use Magento\Framework\Exception\AggregateExceptionInterface;
+use Magento\Framework\Exception\LocalizedException;
+use Magento\Framework\Phrase;
 
 /**
- * Add possibility to set several messages to exception
+ * Validation exception with possibility to set several error messages
  *
  * @api
  */
-class ValidationException extends AbstractAggregateException
+class ValidationException extends LocalizedException implements AggregateExceptionInterface
 {
     /**
-     * @param ValidationResult $validationResult
+     * @var ValidationResult|null
+     */
+    private $validationResult;
+
+    /**
+     * @param Phrase $phrase
      * @param \Exception $cause
      * @param int $code
+     * @param ValidationResult|null $validationResult
+     */
+    public function __construct(
+        Phrase $phrase,
+        \Exception $cause = null,
+        $code = 0,
+        ValidationResult $validationResult = null
+    ) {
+        parent::__construct($phrase, $cause, $code);
+        $this->validationResult = $validationResult;
+    }
+
+    /**
+     * @inheritdoc
      */
-    public function __construct(ValidationResult $validationResult, \Exception $cause = null, $code = 0)
+    public function getErrors()
     {
-        foreach ($validationResult->getErrors() as $error) {
-            $this->addError($error);
+        $localizedErrors = [];
+        if (null !== $this->validationResult) {
+            foreach ($this->validationResult->getErrors() as $error) {
+                $localizedErrors[] = new LocalizedException($error);
+            }
         }
-        parent::__construct($this->phrase, $cause, $code);
+        return  $localizedErrors;
     }
 }
diff --git a/lib/internal/Magento/Framework/Webapi/ErrorProcessor.php b/lib/internal/Magento/Framework/Webapi/ErrorProcessor.php
index bb86c6b1bdc9..0655bfda0bbc 100644
--- a/lib/internal/Magento/Framework/Webapi/ErrorProcessor.php
+++ b/lib/internal/Magento/Framework/Webapi/ErrorProcessor.php
@@ -8,7 +8,7 @@
 use Magento\Framework\App\Filesystem\DirectoryList;
 use Magento\Framework\App\ObjectManager;
 use Magento\Framework\App\State;
-use Magento\Framework\Exception\AbstractAggregateException;
+use Magento\Framework\Exception\AggregateExceptionInterface;
 use Magento\Framework\Exception\AuthenticationException;
 use Magento\Framework\Exception\AuthorizationException;
 use Magento\Framework\Exception\LocalizedException;
@@ -126,7 +126,7 @@ public function maskException(\Exception $exception)
                 $httpCode = WebapiException::HTTP_BAD_REQUEST;
             }
 
-            if ($exception instanceof AbstractAggregateException) {
+            if ($exception instanceof AggregateExceptionInterface) {
                 $errors = $exception->getErrors();
             } else {
                 $errors = null;