You do not need the macro here. Why not just use the Apply Point Damage? It seems you’re piping the data in without any purpose.
If you must use a macro (because you have further plans for it, for example), ensure that you’re passing some data in:
Essentially, this nodes needs data by reference:
It’s complaining about not getting any which is critical for this particular node.
Would be nice if the pin icon shape reflected it...
