If it is an unreal bug (it happens) you could delete the actors from the world, then dragging them in again or parenting the actors to AActor or whatever other actor, and then re-parenting the actors to the class that you need (A or B)
If it is an unreal bug (it happens) you could delete the actors from the world, then dragging them in again or parenting the actors to AActor or whatever other actor, and then re-parenting the actors to the class that you need (A or B)