Aili Asikainen

Hi @lena-kashtelyan , thanks for the response! That is exactly how I expected attaching trials to work. Unfortunately, I'm getting a KeyError for that parametrization ``` ax_client.attach_trial({"root": True, "cat1": "x1",...

> > as a result some trials from ax_client.get_next_trial() end up being out-of-design > > This shouldn't really be happening in the first place. Seems like the candidate generation produces...