interior subsurface

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Hi all, I am using openstdio 2.9.1 and Sketchup for the energy simulation of a residential building in which windows and doors in interior walls. when i run my simulation on openstudio i find in the subsurface tab are doubled. I leave it like that and which is not influenced by on the simulation (thermal transfer). Or I remove a sub surface (like a hole in the wall) and I put in outside boundary condition object even of subsurface name which I have lef. Cordially