What can I do to recover?

I've only limited experience with Hackintosh. I have a working Big Sur now on my machine. Last time when I upgraded some kexts(using occ) and maybe I messed something more, os didn't boot after restart. I had to do a clean install again. I don't know what to do to revert what I messed. In these conditions, what all I can do to get it working again? the fixes to try other than a clean install?

submitted by /u/itsme_shibintmz
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