Need help with my XPS 8920

I tried to get Mojave on my XPS 8920 but i run into this issue https://drive.google.com/open?id=1kpFEBkf2vzkup7nabyrAIEdZSxmvl-0g

I follow the guide here https://www.tonymacx86.com/threads/guide-dell-xps-8930-mojave-10-14-4-rx580-uhd630.274854/