It will randomly corrupt and can join the realm without replacing with a previous save. The world was made a little after the release of bedrock, which my be what is causing the issue.
MCPE-69955
Save on Realms corrupts at randomly.
Resolved
Duplicate
0
mrpatches123
(Unassigned)
Unconfirmed
Xbox
10.0.19041.1927
1.14.60 Hotfix
Retrieved
Thank you for your report!
We're actually already tracking this issue at MCPE-55137, so I will resolve and link this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
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