All living things item frames minecraft and armor stands vanished

Put the summary of the bug you're having here

What I expected to happen was...:
Nothing there shouldnt have had anything happen as i just logged on and everything was gone

What actually happened was...:
I have a realm with some freinds and today 30-01-24 all living things our villagers pets item frames and the items in them armor stands and minecarts are gone i have no idea why or what happend

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ... i dont know this is why im asking for help
3. ...