Put the summary of the bug you're having here

You cannot move horse if you ride on it then log out of your world then log in

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

You were still be able to move your horse

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

I ride the horse then log out of my world then log in then it cant move
Steps to Reproduce:
Put a step by step guide on how to trigger the bug here

1.tame and ride a horse
2.log out of your world then log in
3.you cant move the horse