I cant replace my realm with any worlds.

Put the summary of the bug you're having here

What I expected to happen was...:
To be able to play on my realm and make it i cant even import a world on my realm

What actually happened was...:
I cant even put any worlds on my realm

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...you go to replace world on the realm and put a world on there
3. ...then it says error or internet connection error