Prohibition sign when installing MacOS Sonoma on a MacBook from 2008 via OpenCore

I have currently installed MacOS Big Sur on my MacBook Pro from 2008, which is recognised by OpenCore as MacBook 5.1 and that also via OpenCore. Now I wanted to upgrade to macOS Sonoma and created a stick with OpenCore. Then I started from the stick and selected open Core EFI and then install macOS Sonoma then loads it briefly and then comes a prohibition sign. How can I solve this problem?

submitted by /u/Paul4510
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