Every time I try uploading a new world into my realm on my Nintendo switch be be it says an error occurred . But when I try doing the same thing on my pc it works fine.

[Briefly describe the bug here]

Steps to Reproduce

1. Go on Nintendo switch and select a realm server.
2. select replace world
3. Select a world

Observed Results:
It starts and then says: an error occurred

Expected Results:

it should finish uploading and download the new world on.

Screenshots/Videos attached: [please attach an image or short video]

Notes: