Only option in boot picker is "Reset NVRAM"

Greetings everyone.
I decided to reinstall everything from scratch. I created a EFI for my setup using the version 0.9.9 Opencore. The image I used is Sonoma downloaded directly from Apple. No torrents or distros.
Howevery, when it gets to the picker, the only option available I have is Reset NVRam. Nothing else. Nothing is hidden or anything.
I don't know where the problem is.
Any help is welcome.

My setup is:
MB: AsRock H170 Pro 4
16GB
SSD: HyperX 250GB
GFX: Radeon RX570
CPU: Intel 6700...

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