Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-01-20T07:28:25","request-id":"53041827-d2d9-46f5-b97c-57e5bdf6e164","client-request-id":"53041827-d2d9-46f5-b97c-57e5bdf6e164"}}}"