Unreal Engine Issues and Bug Tracker (UE-179628)

Steps to Reproduce

Create and open a new level from the open world template (or use any existing world partition level)
Add a few actors to the level, and save it.
In World settings, uncheck "Enable Streaming", then click the "Disable World Partition" button.
Observe that the actors are still present in the level
Save and reopen the level
Observe that the level is now empty.

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Fixed

Component	UE - World Creation - Worldbuilding Tools - World Partition
Target Fix	5.3

Fix Commit	24611419
Main Commit	24612070

Disabling World Partition causes all actors to be removed from level after save & reload