Endless Game with Unreal 4.13

Hello, I’m doing an endless game using the 4.13 version of the Unreal. I am using the tutorial presented in the Unreal site and I’m having trouble in class 2 (Spawn the course). I follow all the steps correctly and when i click simulate the track not aprece on the screen. Could anyone help me solve this problem?

(https://docs.unrealengine.com/latest/INT/Videos/PLZlv_N0_O1gbY4FN8pZuEPVC9PzQThNn1/3om6yJiYMcg/index.html).

Hello, I managed to solve the problem. Thanks.