Merge pull request #230764 from rwike77/AADSTS700027

AADSTS700027 error message

Author: prmerger-automator[bot]

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

@@ -9,7 +9,7 @@ ms.service: active-directory
 ms.subservice: develop
 ms.workload: identity
 ms.topic: reference
-ms.date: 10/10/2022
+ms.date: 03/14/2023
 ms.author: ryanwi
 ms.reviewer: ludwignick
 ms.custom: aaddev
@@ -215,6 +215,7 @@ The `error` field has several possible values - review the protocol documentatio
 | AADSTS700011 | UnauthorizedClientAppNotFoundInOrgIdTenant - Application with identifier {appIdentifier} was not found in the directory. A client application requested a token from your tenant, but the client app doesn't exist in your tenant, so the call failed. |
 | AADSTS70002 | InvalidClient - Error validating the credentials. The specified client_secret does not match the expected value for this client. Correct the client_secret and try again. For more info, see [Use the authorization code to request an access token](v2-oauth2-auth-code-flow.md#redeem-a-code-for-an-access-token). |
 | AADSTS700025 | InvalidClientPublicClientWithCredential - Client is public so neither 'client_assertion' nor 'client_secret' should be presented. |
+| AADSTS700027| Client assertion failed signature validation. Developer error - the app is attempting to sign in without the necessary or correct authentication parameters.|
 | AADSTS70003 | UnsupportedGrantType - The app returned an unsupported grant type. |
 | AADSTS700030 | Invalid certificate - subject name in certificate isn't authorized. SubjectNames/SubjectAlternativeNames (up to 10) in token certificate are: {certificateSubjects}. |
 | AADSTS70004 | InvalidRedirectUri - The app returned an invalid redirect URI. The redirect address specified by the client does not match any configured addresses or any addresses on the OIDC approve list. |