Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-11-14T07:29:30","request-id":"541d129a-c5f8-4c35-8f7e-9afaa0359390","client-request-id":"541d129a-c5f8-4c35-8f7e-9afaa0359390"}}}"