Version not Supported

Hi guys, recently i’ve had to take the SSD from my hackintosh, upon installing a new SSD, i can no longer install mac os. I just get the apple support screen with a circle and a line going through it, which on the apple website states that a version of mac os is there, but not available. I am pretty sure that an iMac17,1 can install monterey? i’ve tried building a new EFI twice, and then found a further two prebuilt ones online, so i’ve tried 4 EFI files, and none work, all receiving this issue. I’ve been trying to fix this for about 2 days now, and i’m on the verge of giving up. Does anyone know why this is happening? Thanks in advance.

Specs: I7-6700 iGPU 24GB DDR4 NVME SSD

submitted by /u/Big-Negotiation2163
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