[HELP]Fail to install Sierra v10.12.6

Recently i built a PC with the following specifications:

  • Intel i7-7700 3.6GHz
  • Gigabyte B250-HD3 ATX
  • 512GB Intel 600P M.2 80mm
  • Corsair RM 550x/ 550W PSU
  • ASUS PCE-AC55BT 300+867bps PCI-E Adapter

And then i follow the following guide to install Sierra v10.12.6 which i download from the App Store https://www.tonymacx86.com/threads/unibeast-install-macos-sierra-on-any-supported-intel-based-pc.200564/

But it didn't work, it show up a "Stop Sign" on the screen.

Next i try to boot verbose (-v) and it display the following screens

I totally have no idea what has gone wrong.

Can someone give some suggestion?

submitted by /u/neptune3117
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