Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-03-12T02:48:09","request-id":"17590901-6295-4983-8c96-76c2c9067459","client-request-id":"17590901-6295-4983-8c96-76c2c9067459"}}}"