Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-03-30T12:24:57","request-id":"2aa80385-6214-43f8-a9c1-026464851e30","client-request-id":"2aa80385-6214-43f8-a9c1-026464851e30"}}}"