HLod for UE4.20 what's changed?

Hi All,

I have been experimenting with HLod to implement in a project for work (as well as my own personal things). I have followed along with the Live Stream that was done a while ago by Tim Hobson and Ian Shadden and got it working on an older version of the engine, UE4.17. However, when I try to implement this into UE4.20 on wards all I get is the following:

This is being done in a project where world composition is being used, however with that said even if I try and implement this in a project that doesn’t use World Composition nothing is different. I am still getting options greyed out. As you can see I have created my own blueprint to handle the HLod settings, I have turned on the HLod where it should however the actual window to generate the meshes and build is just greyed out. You can also see it’s putting in the 2 x LOD I have setup in the BP but greyed out. I am going nuts trying to work out what I have missed for this to not be completely turned on. I have searched and searched and found nothing to be able to give me the clue to get this to be enabled. Any assistance would be greatly appreciated.

Thanks all
Regards
Shez