Confusing Variables and Targets.

Hello,
i get so many times confused while using BluePrints.
In this Video everything looks fine.
[video]Blueprint Multiplayer: Main Menu Setup | 05 | v4.11 Tutorial Series | Unreal Engine - YouTube
So why i have this?

You have a reference of “Platform Game Instance” but you need “Game Info Instance Reference”. Check your cast and your variable mate.