Very special problem with oc0.6.1 on bigsur

Very special problem with oc0.6.1 on bigsur

When I install bigsur with oc0.6.1.

The first step of installation can proceed smoothly(install macos big sur beta(external))

But when I got to the second step(macos installer), there was an error.

I spent a lot of time trying to figure out why.There was no answer.

I hope someone can help me.

PS:

The same EFI file can run perfectly on 10.15.6, but bigsur can't.

I can guarantee that the files in EFI is updated.

Cpu: i5 8500

Main board: ASUS B360M-BASALT

Hard drive :HDD

https://preview.redd.it/3yrj5jda4gq51.jpg?width=3024&format=pjpg&auto=webp&s=f649b9c4630360526b63daf43ad21bddefe8dbb6

submitted by /u/Ok-Marionberry8337
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