Disk utility showing no internal drive, just showing external drives like USB

Hey everyone, this is my 3rd attempt in installing macOS big sur using opencore 0.6.3 and everything was going just fine until the disk utility screen came up with no internal drive. Is there any solution for fixing this up? A help will be appreciated ❤️

(I have already selected SATA to AHCI)

submitted by /u/jailbroken_guy
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