Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-10-22T17:57:18","request-id":"486958f3-d276-4e81-a1f1-b9363f8621fd","client-request-id":"486958f3-d276-4e81-a1f1-b9363f8621fd"}}}"