Some of my worlds randomly delete themselves after I get off the game. Lots of other people are complaining about this as well and there is no fix that I could find.
MCPE-220531
Most recent worlds randomly get deleted
Resolved
Duplicate
1
John Marston
(Unassigned)
Unconfirmed
Xbox
1.21.81 Hotfix
Retrieved
This issue is being tracked at MCPE-218647.