SteamNodes align node gives null

See title.

I am pretty sure the node used to work for me, but all of a sudden it stopped working and gives me null(s).

Any idea why?

I found the issue.

The Code Block with flatten (in the custom node) need to be replaced with List.Flatten nodes.

I keep getting null, but the script / node works however.

Null(s) also resolved by wiring the List.Map node to the Output node (also in the custom node).