For some reason, it selects a different wall-type called “Hissglas gc-bro” after the node List.FilterByBoolMask hmm
Something surprising is also that it says that the parameter by the name “Layer (CAD)” does not exist. This parameter name works for all other scripts.
Thank you for your reply Khuzaimah. Unfortunately I did not get it to work despite finding the particular node List.ContainsItem. Might be my old version of Dynamo, who knows.
However, what I did do to get it to work on v.2.0.2 was the following (Clockworks needed):