diff --git a/lib/services/apimanagement/lib/models/errorResponseBody.js b/lib/services/apimanagement/lib/models/errorResponseBody.js
new file mode 100644
index 0000000000..f9a0d6a597
--- /dev/null
+++ b/lib/services/apimanagement/lib/models/errorResponseBody.js
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for
+ * license information.
+ *
+ * Code generated by Microsoft (R) AutoRest Code Generator.
+ * Changes may cause incorrect behavior and will be lost if the code is
+ * regenerated.
+ */
+
+'use strict';
+
+const models = require('./index');
+
+/**
+ * Error Body contract.
+ *
+ */
+class ErrorResponseBody {
+  /**
+   * Create a ErrorResponseBody.
+   * @member {string} [code] Service-defined error code. This code serves as a
+   * sub-status for the HTTP error code specified in the response.
+   * @member {string} [message] Human-readable representation of the error.
+   * @member {array} [details] The list of invalid fields send in request, in
+   * case of validation error.
+   */
+  constructor() {
+  }
+
+  /**
+   * Defines the metadata of ErrorResponseBody
+   *
+   * @returns {object} metadata of ErrorResponseBody
+   *
+   */
+  mapper() {
+    return {
+      required: false,
+      serializedName: 'ErrorResponseBody',
+      type: {
+        name: 'Composite',
+        className: 'ErrorResponseBody',
+        modelProperties: {
+          code: {
+            required: false,
+            serializedName: 'code',
+            type: {
+              name: 'String'
+            }
+          },
+          message: {
+            required: false,
+            serializedName: 'message',
+            type: {
+              name: 'String'
+            }
+          },
+          details: {
+            required: false,
+            serializedName: 'details',
+            type: {
+              name: 'Sequence',
+              element: {
+                  required: false,
+                  serializedName: 'ErrorFieldContractElementType',
+                  type: {
+                    name: 'Composite',
+                    className: 'ErrorFieldContract'
+                  }
+              }
+            }
+          }
+        }
+      }
+    };
+  }
+}
+
+module.exports = ErrorResponseBody;
diff --git a/lib/services/apimanagement/lib/models/index.d.ts b/lib/services/apimanagement/lib/models/index.d.ts
index 6e87acd473..47e251908e 100644
--- a/lib/services/apimanagement/lib/models/index.d.ts
+++ b/lib/services/apimanagement/lib/models/index.d.ts
@@ -33,6 +33,24 @@ export interface ErrorFieldContract {
   target?: string;
 }
 
+/**
+ * @class
+ * Initializes a new instance of the ErrorResponseBody class.
+ * @constructor
+ * Error Body contract.
+ *
+ * @member {string} [code] Service-defined error code. This code serves as a
+ * sub-status for the HTTP error code specified in the response.
+ * @member {string} [message] Human-readable representation of the error.
+ * @member {array} [details] The list of invalid fields send in request, in
+ * case of validation error.
+ */
+export interface ErrorResponseBody {
+  code?: string;
+  message?: string;
+  details?: ErrorFieldContract[];
+}
+
 /**
  * @class
  * Initializes a new instance of the ErrorResponse class.
@@ -3644,7 +3662,7 @@ export interface OperationResultContract {
   started?: Date;
   updated?: Date;
   resultInfo?: string;
-  error?: ErrorResponse;
+  error?: ErrorResponseBody;
   readonly actionLog?: OperationResultLogItemContract[];
 }
 
diff --git a/lib/services/apimanagement/lib/models/index.js b/lib/services/apimanagement/lib/models/index.js
index b9fcf111c0..4ff350f27d 100644
--- a/lib/services/apimanagement/lib/models/index.js
+++ b/lib/services/apimanagement/lib/models/index.js
@@ -19,6 +19,7 @@ var msRestAzure = require('ms-rest-azure');
 exports.BaseResource = msRestAzure.BaseResource;
 exports.CloudError = msRestAzure.CloudError;
 exports.ErrorFieldContract = require('./errorFieldContract');
+exports.ErrorResponseBody = require('./errorResponseBody');
 exports.ErrorResponse = require('./errorResponse');
 exports.Resource = require('./resource');
 exports.PolicyContract = require('./policyContract');
diff --git a/lib/services/apimanagement/lib/models/operationResultContract.js b/lib/services/apimanagement/lib/models/operationResultContract.js
index 180a5244e3..75fbe9f977 100644
--- a/lib/services/apimanagement/lib/models/operationResultContract.js
+++ b/lib/services/apimanagement/lib/models/operationResultContract.js
@@ -99,7 +99,7 @@ class OperationResultContract {
             serializedName: 'error',
             type: {
               name: 'Composite',
-              className: 'ErrorResponse'
+              className: 'ErrorResponseBody'
             }
           },
           actionLog: {