Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-01-11T13:08:41","request-id":"9608f0bd-f06f-4518-b82b-cdc7cd041d81","client-request-id":"9608f0bd-f06f-4518-b82b-cdc7cd041d81"}}}"