Realm Auto Reverts in 1.16 randomly to a random time and loses progress.

Put the summary of the bug you're having here

Realm Auto reverts randomly to random time in the past so I lose progress.

What I expected to happen was...: 
Describe what you thought should happen here

I spawn in where I last logged off.

What actually happened was...:
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I spawn in where I was a while ago without the stuff I have acquired since.

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ... Play Minecraft 1.16 on realms and move around a lot. Log off and log back in later.
3. ...