How to avoid Sub-level used in multiple persistent levels to always have a single light map

Development Rendering
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1

Hello,
I currently have a persistent level composed of multiple sub-levels. however, I need multiple copies of the base level.
For instance, I have a flat and furniture which has to be always the same and other content to change, but I also need to bake the lighting for each level.

Said so my issue is that the sub-levels share the same lightmap even under different persistent levels. I know about toggle lighting scenarios but in that case, I would have to create a copy of each level multiple time. For example, if I have 5 versions of my flat I would need 5 versions of my furniture which is actually the same among all levels. isn’t there a way to have a single generic level? So to avoid multiple copies of the same just for the lightmaps.

I hope is not too confusing.

Many thanks,

Davide

2

I see this question is 2 years old but I’m having the same issue, baked lightmaps seem to persist between parent maps with the sublevel using lightmaps from the last baked parent map. I was hoping each parent map could bake or use its own settings. You have any luck here?