When I ran it after this patch, all my equipment disappeared…

When I try to load my world by running the patched game on Steam Deck, an error message pops up telling me to ‘back up the save file or contact the issue forum’. When I reconnect to the PC, all the equipment except the character’s weapon has disappeared…
Is there any way to reverse this?
I have no idea why this happened…
Please give me my equipment back…:sob::sob::sob:

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