Cyberfr connexion à Graph Microsoft : ok string(237) "{"error":{"code":"InvalidAuthenticationToken","message":"Access token is empty.","innerError":{"date":"2026-01-30T17:10:20","request-id":"95308794-30d6-454b-8da8-ba972e80d00f","client-request-id":"95308794-30d6-454b-8da8-ba972e80d00f"}}}"