Get Overlapping Actors prevents collapse to function

In 4.6 Get Overlapping Actors in a selection you want to collapse to function returns an error : “Cannot be placed in function graph”.

This seems unfortunate. Is there a reason that’s so?

Additional troubles collapsing functions :

22204-hardtomakefunctionlikethis.png

In 4.5, these can be added to a function using not-context-sensitive, but they can 't copied and pasted within a function (or collapsed into a function).
But once they are there, they seem to work alright.