Light contained in Blueprint creates copies with same GUID as original

Creating a point light (didn’t try other types) in a Blueprint and then placing that Blueprint in a map results in “duplicated” light objects sharing the same GUID as the point light in the Blueprint:

This results in the following build log output:

Further, the lighting build step never completes, sitting at 99% until cancelled.

Question 1: Is this expected behavior?
Question 2: Can the Blueprint be modified to create a unique duplicate to replace the “original” when it is placed in a map?

Finally get ride of this error by setting the mobility to movable from parent as from child actors!!

I was having the same issue and making it moveable solved it for me too!