Just signed up for Realms and was excited to upload the local world I've been building in Minecraft PE on iPad. Imagine my disappointment when it consistently fails.

After I click "Replace World" and select my local world, it first seems to work - an upload starts - but then a pop up informs me "Error has occurred" and that's the end of that. Tried different local worlds, restarted the app, etc - no change. 

Grateful for quick help on this since if this is not resolved, I will be cancelling my subscription before the free month ends.