Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-09-18T05:58:24","request-id":"db7ca9c6-bf2a-47c7-b1d8-388d717306ad","client-request-id":"db7ca9c6-bf2a-47c7-b1d8-388d717306ad"}}}"