That probably means you are not injecting an Empty/Headless framebuffer for your IGPU (UHD630).
My Z390 system's Hackintool > System > System screenshot shows a Platform ID for the CFL IGPU in my system.
View attachment 562875
This is the screenshot from Hackintool > Patch > Info tab, showing the CFL IGPU framebuffer settings.
View attachment 562876 Coffee Lake IGPU settings
I assume yours is not the same.
That being the case, you need to Mount your macOS EFI partition.
Open your config.plist
Navigate to the DeviceProperties section and add the following:
View attachment 562877 Empty Framebuffer for UHD630