Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-09-18T07:37:51","request-id":"d091032b-dc68-4442-9531-7cd4f2391ef8","client-request-id":"d091032b-dc68-4442-9531-7cd4f2391ef8"}}}"