We have a .net application, which runs on Qa-server, Staging-server and Prod-Server. Each server has DataDogAgent which sends metrics to DataDog. For Qa and Staging spans are stacked into stacktraces correctly:

But for Production server DataDog doens't group spans, instead of kinda 'stackTrace' i see scattered spans:

How to group together into 'stacktrace' spans in DataDog ?