A dependency to the ProceduralMeshComponent module is required in one’s ModuleRules build file. For example:
MyGame.Build.cs
public class MyGame : ModuleRules
{
public MyGame(TargetInfo Target)
{
PrivateDependencyModuleNames.AddRange(new string[] {"ProceduralMeshComponent"});
}
}
One can then include ProceduralMeshComponent.h
in C++ code:
#include "ProceduralMeshComponent.h"
Anyways, that’s what worked for me.