I went to destroy a jukebox in my house with an iron axe. I hit it a few times, and right when it was about to be destroyed, the game kicked me. When I loaded back in, the world had loaded a chunk back in where my house was. I was staring at part of my house, part of the mountain that had been there prior to my house. I was running the server dedicated on my pc, and connected to it. Server never crashed, just loaded that chunk back in presumably from the world seed. Nobody else on the server seemed to be affected, but my house was torn in half.

What I expected to happen was...:
Jukebox to be destroyed

What actually happened was...:
Game kicked me, server loaded a chunk from the world start

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
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