Chests not loading correctly

Did you upgrade the world from a previous version into the 1.18 pre-release?

Yes it was from 1.17.1. interestingly - most chests load fine, is just this particular area. I remade/moved the chests and tried again and the same issue

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If possible, the world before upgrade, that is.

Don't worry - you can close this one. I'm not entirely sure what it was that was causing the issue, but I would assume it was an issue with the chunks themselves, maybe corrupted somehow. I had to move all my items and shulkers so that I didn't lose anything. I saved the chests as a structure just in case I lost anything. I reset the chunks using MCA Selector and will just have to build a storage system again.

Well, got the chunks corrupted by the upgrade? Or were they already corrupted before?

That I can't be sure of, I mean the fact remains that all was fine in 1.17.1. Maybe something was corrupted and appeared fine in 1.17.1 and then upgrading the world somehow made it worse.

Apologies if it all sounds a bit cryptic. :/

In any case, would it be possible for you to attach the world from before the upgrade?