Update reference-aadsts-error-codes.md

Added AADSTS900382: Confidential Client is not supported in Cross Cloud request.

Author: adhishrajgupta

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

@@ -218,6 +218,7 @@ Search on the numeric part of the returned error code.  For example, if you rece
 | AADSTS90092 | GraphNonRetryableError |
 | AADSTS90093 | GraphUserUnauthorized - Graph returned with a forbidden error code for the request. |
 | AADSTS90094 | AdminConsentRequired - Administrator consent is required. |
+| AADSTS900382 | Confidential Client is not supported in Cross Cloud request. |
 | AADSTS90100 | InvalidRequestParameter - The parameter is empty or not valid. |
 | AADSTS901002 | AADSTS901002: The 'resource' request parameter is not supported. |
 | AADSTS90101 | InvalidEmailAddress - The supplied data isn't a valid email address. The email address must be in the format `[email protected]`. |