Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-06-21T00:09:42","request-id":"fc864008-eaa6-47cd-98f8-b062e2511105","client-request-id":"fc864008-eaa6-47cd-98f8-b062e2511105"}}}"