Help create the landscape for the planet, and set gravity

Good evening and sorry for the trouble. But what concerns me is the issue of creating planets. In other forums I asked a question on this subject, and I gave the answer. But I don’t know what I’m doing wrong when doing the generation of the landscape. That’s how I was advised to do, and the result of which will be (, blueprint which I had to use ( And that’s what happens to me ( and blueprint

So do I Unreal Engine 4 : Custom Gravity Plugin and looking for someone who would help me out with this plugin, because he like it is not working. Need in this video [WIP] Unreal Engine 4 : Custom Gravity Plugin - YouTube 1:03-1:15.