OpenCore stuck on this screen. Fix available?

This is supposed to be the macOS 10.15.5 install screen. I can move the cursor.
- OpenCore 0.5.9
- Lilu 1.4.5
- WhateverGreen 1.4.0
- SMBIOS: iMacPro1,1

CPU: AMD 3600x
GPU: Vega 64

https://i.imgur.com/ucNB83m.jpg