When I play my Sakura shores world that I just bought it lets me play for 30 seconds and then completely shuts down the app completely

Put the summary of the bug you're having here

What I expected to happen was...:
The game to work fine and let me play without shutting down the Minecraft app

What actually happened was...:
It bugged out and shut down the app and won't let me play for a while on the world 

Steps to Reproduce:
1. Idk I need help to fix it that's why I'm reporting it.