Hi mate,
It looks like you’ve gone and pasted in everything from the parent classes’ Event Graph into the child classes’ Event Graph, is that correct? You didn’t need to do that because it inherits it all. You only need to paste in whats missing.
When you create the child class it initially looks like this:
Now even though the Event Graph looks pretty empty , this child class contains everything thats in the parent class. The beauty with this child class is that you can add additional functionality to it without modifying the parent making it kind of modular but you end up with a child class that contains the functionality and properties of both parent and child. In more laymans terms , unlike with human beings, in C++ and blueprint, child classes are actually a combination of the parent class+extra stuff you stick in the child class. You can act on all components that exist in the parent class from the child classes’ Event Graph.
Your error about FollowCamera being null could be because there isnt a FollowCamera component inside the Components area (shown inside the red circle within the screenshot) . I couldn’t see one in your video. Did you forget to add it to the Component area of the child?
I recommend that you spend a day going through this course before proceeding any further: https://learn.unrealengine.com/cours…19056829921045