Facing Issue while using ElasticSearch sink

[hassanqaiser213]

I am working on .net 4.8.
Using below mentioned code:

Log.Logger = new LoggerConfiguration()
.WriteTo.Elasticsearch(new ElasticsearchSinkOptions(new Uri("Some URL"))
{
AutoRegisterTemplate = true,
AutoRegisterTemplateVersion = AutoRegisterTemplateVersion.ESv7
})
.CreateLogger();

while executing it is giving error attached below:

Can anyone help in it.