Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2025-05-09T18:28:43","request-id":"14166cfc-e77b-4476-9087-74b2d88826ce","client-request-id":"14166cfc-e77b-4476-9087-74b2d88826ce"}}}"