Parallels boot camp partition booting broke after opencore update

My build has 2 separate NVME drives, one for OS X Monterey and another for Windows 10. I originally created the Windows disk using boot camp, then deleted boot camp and ran it with Parallels for the last 4 years.

I updated open core and I can still boot Windows 10 from the opencors picker menu no problem. Unfortunately I can no longer boot the same partition from Parallels. I now get this error:

Screen Shot 2022-02-28 at 12.42.52 AM.png

I set it up something like this as best I can remember:

  • Create a new VM...

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