Nanite is used in the scene but not supported by your graphics hardware and/or driver. Meshes will not render using Nanite

[Mark_Martins (Game-Stepper)]

I guess you’ll have to update your Windows 10 to the latest version. This version lacks some DirectX 12 and Windows 10 features that Nanite needs. Follow the Microsoft link I posted here to download the Update tool to update it. It’ll fix the problem.