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I'm not sure what fixed it because I tried multiple things yesterday, but it shutdown normally last night.
Personally I'd be worried there's a transient disk issue. I'd ensure my backups are good and files aren't being silently corrupted. I assume you're on an NVME, they tend to fail instantly, but sometimes you'll get transient file errors beforehand (like not being able to open a system library). Look at something like debsums to start with maybe.
I'm not having the issue anymore, I'm not sure what fixed it though as I tried multiple things yesterday.
Also, I'm not using an NVME, I'm actually just using an old laptop hard drive with one of those hard drive cases that basically converts it into an external hard drive.
Your libpcre seems broken. Reinstall the package that contains this file.
I did that yesterday and it might have fixed it because I didn't have the issue but I did try multiple things yesterday, so I'm not sure.