This is not the mentioned bug,
Here the game crashes on loading this specific world.
Also this is the Windows 10 store version and not the Xbox version.
This world was created and only played on lan, after a game crash it will uniformly crash if we try to load this world again.
The map is available here:
https://drive.google.com/file/d/1gEZzdpqr45KRPXfQ6NRcc3zmveQyuC0z/view?usp=sharing
This is not
[media]MCPE-79465