i log into my world but it just freezes and lags a lot ofter 5 secs. this doesnt happen on other worlds just this one. this world also doesnt let me save and quit. ihave force quit minecraft

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here for it to laod like a normal world

 

What actually happened was...:
Describe what happened here it freezes and crashes every time on just that world

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...no idea
3. ...