Unresolved external error. how do i know which module to include?

[bumbumgoesnuts]

rider is throwing me this error:

I’ve been told this means i need to include some modules in the build.cs file but I don’t know what module to include exactly. i tried PhysicsCore but it didn’t work.
could someone help?

[Speido]

On first glance you need Core and Engine. You can find the relevant modules in the documentation, e.g. for actor (under References - Module):

AActor