Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-12-12T15:16:44","request-id":"646c12db-0bcb-47bd-adef-b0c6369c5b2b","client-request-id":"646c12db-0bcb-47bd-adef-b0c6369c5b2b"}}}"