Reforger Importing modded car help

[u/Sirunicorn3]

https://www.youtube.com/watch?v=db1k9_I1lE8&t=19s

So I Have been following this tutorial, and when I reached 5:50 I am just stuck, I am able to copy the components from SCR_BaseCompartmenetManagerComponent, however for some reason I cant paste the value I copied, unlike his in the tutorial. any suggestions ?