Has anyone had difficulties trying to install 10.12.x or 10.13.x on an iMac Pro with HFS+ partitions?
I have tried to use DosDude's patcher, but I get an extremely strange error when I'm in the installer, where selecting the disk says
“this operation cannot be completed (com.apple.osintall error -1)”
and then when I use an unpatched High Sierra installer, it says that this Mac only supports installation to APFS-formatted volumes, which I found very strange.
I couldn't even boot from the Sierra installer! it just would restart! this is insane! lol
I have tried to use DosDude's patcher, but I get an extremely strange error when I'm in the installer, where selecting the disk says
“this operation cannot be completed (com.apple.osintall error -1)”
and then when I use an unpatched High Sierra installer, it says that this Mac only supports installation to APFS-formatted volumes, which I found very strange.
I couldn't even boot from the Sierra installer! it just would restart! this is insane! lol