diff --git a/docs/en/api/ErrorRef.md b/docs/en/api/ErrorRef.md
index e14e9ba..78d8d6c 100644
--- a/docs/en/api/ErrorRef.md
+++ b/docs/en/api/ErrorRef.md
@@ -45,7 +45,12 @@ The possible error codes and messages are listed with their context and descript
* **error.user.type_unknown**
* (internal) Type of user could not be determined.
+* **error.user.type_not_available**
+ * create
+ * The requested user type to create is not available for this organization.
+
* **error.user.not_found_or_ambiguous**
+ * update
* (internal) More than one user matches ID.
* **error.user.name.invalid**
@@ -77,8 +82,13 @@ The possible error codes and messages are listed with their context and descript
* **error.user.id_missing**
* User ID is missing where required.
-* **error.user.firstname_missing
error.user.lastname_missing**
- * User first or last name is missing where required.
+* **error.user.firstname_missing**
+ * create
+ * User first name is missing where required.
+
+* **error.user.lastname_missing**
+ * create
+ * User last name is missing where required.
* **error.user.name_in_use**
* update
@@ -296,6 +306,10 @@ The possible error codes and messages are listed with their context and descript
* add, remove
* A list of groups or product profiles is empty or contains a null entry.
+* **error.group.invalid_name**
+ * Get all member users in a group](getUsersByGroup.md)
+ * The group name passed into [Get all member users in a group](getUsersByGroup.md) is invalid.
+
* **error.option.illegal**
* The "option" flag value in a user add or create call (addAdobeID, createEnterpriseID, createFederatedID) is not one of the defined values.
@@ -306,9 +320,9 @@ The possible error codes and messages are listed with their context and descript
* add/create, remove, removeFromOrg, removeFromDomain, update
* Attempt to perform operations on a user by domain trustee organization.
-* **error.resetpw.user_must_be_enterprise_type**
- * resetPassword
- * A user referenced in resetPassword is not an Enterprise ID. You cannot reset passwords for Adobe IDs or Federated IDs.
+* **error.update.no**
+ * update
+ * The new email address cannot be used.
* **error.update.domain.mismatch**
* update
@@ -326,18 +340,6 @@ The possible error codes and messages are listed with their context and descript
* any request
* Organization's API key in headers not valid
-* **invites.pending.not_found**
- * any pending-invites request
- * No pending invites exist for the given email address or for the organization
-
-* **invites.pending.resend.error**
- * request resend of pending invite
- * A server-side error occurred when resending pending invites
-
-* **invites.pending.revoke.error**
- * request revocation of pending invite
- * A server-side error occurred when revoking pending invites
-
* **error.internal.create_failed**
* create
* Operation failed for unknown reason.
@@ -361,34 +363,10 @@ The possible error codes and messages are listed with their context and descript
* any
* Unknown error occurred.
-* **error.internal.notification.failed**
- * add, remove, removeFromOrg
- * Unknown error occurred trying to authorize a Digital Marketing Cloud product.
-
-* **error.internal.notification.failed.jem**
- * add, remove, removeFromOrg
- * Unknown error occurred trying to update product use for Creative Cloud or Document Cloud products.
-
-* **error.internal.notification.failed.dma**
- * add, remove, removeFromOrg
- * Unknown error occurred trying to update product use for Digital Marketing Cloud products.
-
* **error.internal.everybody_group.not_found**
* add, create
* A user could not be added to this root group, which should always exist.
-* **error.internal.invite.email_template_misconfigured**
- * add, createEnterpriseID
- * The organization is misconfigured or an email template for an invitation could not be found.
-
-* **error.internal.reset_password_email**
- * resetPassword
- * The reset password email send failed.
-
-* **error.internal.no_email_for_user**
- * resetPassword
- * Unable to get email address for user to send reset password message. Try updating the email address for the user.
-
* **plc.not_found**
* access or update to a profile endpoint
* The product profile was not found.
@@ -398,13 +376,33 @@ The possible error codes and messages are listed with their context and descript
* The admin user list for the product profile was not found.
* **plc.admin.already_added
plc.add.admin.error
plc.remove.admin.error**
- * add or remove admin user to profile
- * The admin user already exists or doesn't exist in list
+ * add or remove admin user to profile.
+ * The admin user already exists or doesn't exist in list.
* **error.productadmin.add.user.failed
error.productadmin.remove.admin.failed**
- * update to admin user list for product
+ * update to admin user list for product.
* The admin user list was not updated.
* **error.update.adobeid.no**
* update action workflows
* The operation in the command cannot be applied to an Adobe ID.
+
+* **error.throttled_by_external_service**
+ * any
+ * User Management API is being throttled by an external service.
+
+* **error.developer.add_user.failed**
+ * add
+ * Failed to add the user as a developer.
+
+* **error.developer.remove_user.failed**
+ * remove
+ * Failed to remove the developer role from the user.
+
+* **error.user.domain_enforcement**
+ * create
+ * The user cannot be added to the organization due to domain enforcement restrictions. See https://helpx.adobe.com/enterprise/using/restricting-domains.html for more information.
+
+* **error.usergroup.exceeds_maximum_member_count**
+ * add, remove
+ * The current user count for the group exceeds the recommended size. Please refer to our [requesting help page](../getsupport.html) if you would like to discuss this issue further.
diff --git a/docs/en/api/getSupport.md b/docs/en/api/getSupport.md
new file mode 100644
index 0000000..4f1bbe8
--- /dev/null
+++ b/docs/en/api/getSupport.md
@@ -0,0 +1,15 @@
+---
+title: Requesting Help
+layout: page
+nav_link: Requesting Help
+nav_order: 510
+nav_level: 1
+lang: en
+---
+
+# Requesting Help
+
+If you require further assistance for using the User Management API then please follow the instructions for Creative Cloud for Enterprise support outlined [here](https://helpx.adobe.com/uk/contact/enterprise-support.html). This will result in a support ticket being opened and assigned to our Developer Support Team.
+
+
+
diff --git a/docs/en/getstarted.md b/docs/en/getstarted.md
index 7a89271..d27b697 100644
--- a/docs/en/getstarted.md
+++ b/docs/en/getstarted.md
@@ -54,3 +54,7 @@ Before you can use the User Management API (directly or indirectly through User
* Get complete reference details for all API calls: [User Management API Reference](RefOverview.md)
* See a sample Python script and examples of representative requests: [Examples and Samples](samples/index.md)
+## Need Help?
+
+If you require further assistance for using the User Management API then please follow the instructions for Creative Cloud for Enterprise support outlined [here](https://helpx.adobe.com/uk/contact/enterprise-support.html). This will result in a support ticket being opened and assigned to our Developer Support Team.
+