I'm trying to create a new experiment on mlflow but I have this problem:

Exception: Run with UUID l142ae5a7cf04a40902ae9ed7326093c is already active.

 snippet

mlflow.set_experiment("New experiment 2")
 
 
mlflow.set_tracking_uri('http://mlflow:5000')
 
st= mlflow.start_run(run_name='kun')
 
id = st.info.run_id
 
mlflow.log_metric("score", score)
 
mlflow.sklearn.log_model(model, "FinalModel")