Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-05-09T18:12:27","request-id":"6289a0ac-bbae-4872-b31f-636c476c42bd","client-request-id":"6289a0ac-bbae-4872-b31f-636c476c42bd"}}}"