Steps to Reproduce
Have a PCG that filter actors by tags, here I get actors in an array on a blueprint, filter the static mesh component with a specific tag
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Then I clear the PCG link so it creates a “baked” PCG Actor
Remove the custom tag from the mesh component.
Save
Delete the baked PCG Actor.
Add back the tag on the mesh component.
PCG now detects the actor, but doesn’t find the component with the Tag and won’t generate properly.