Save Data lost in Realms

Put the summary of the bug you're having here

i start a realm world and play whit friend 3 hours , we disconect for take a rest and get back in a while , when we got in game we the progrecion we made were lost.

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

a new bug on realm

What actually happened was...:
Describe what happened here

the save date progrecion is not working on realm

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...start realm
3. ...get out of realm and get back in a while.

4.the progrecion were lost