Merge pull request #110551 from CelesteDG/patch-26

Added AADSTS50197 per PFE request

Author: PRMerger7

articles/active-directory/develop/reference-aadsts-error-codes.md

@@ -2,18 +2,14 @@
 title: Azure AD authentication & authorization error codes
 description: Learn about the AADSTS error codes that are returned from the Azure AD security token service (STS).
 services: active-directory
-documentationcenter: ''
 author: rwike77
 manager: CelesteDG
-editor: ''
 
 ms.service: active-directory
 ms.subservice: develop
 ms.workload: identity
-ms.tgt_pltfrm: na
-ms.devlang: na
 ms.topic: reference
-ms.date: 03/31/2020
+ms.date: 04/07/2020
 ms.author: ryanwi
 ms.reviewer: hirsin
 ms.custom: aaddev
@@ -129,6 +125,7 @@ Search on the numeric part of the returned error code.  For example, if you rece
 | AADSTS50180 | WindowsIntegratedAuthMissing - Integrated Windows authentication is needed. Enable the tenant for Seamless SSO. |
 | AADSTS50187 | DeviceInformationNotProvided - The service failed to perform device authentication. |
 | AADSTS50196 | LoopDetected - A client loop has been detected. Check the app’s logic to ensure that token caching is implemented, and that error conditions are handled correctly.  The app has made too many of the same request in too short a period, indicating that it is in a faulty state or is abusively requesting tokens. |
+| AADSTS50197 | ConflictingIdentities - The user could not be found. Try signing in again. |
 | AADSTS50199 | CmsiInterrupt - For security reasons, user confirmation is required for this request.  Because this is an "interaction_required" error, the client should do interactive auth.  This occurs because a system webview has been used to request a token for a native application - the user must be prompted to ask if this was actually the app they meant to sign into.|
 | AADSTS51000 | RequiredFeatureNotEnabled - The feature is disabled. |
 | AADSTS51001 | DomainHintMustbePresent - Domain hint must be present with on-premises security identifier or on-premises UPN. |