An error occurred while trying to find the free part of a face of the bounding geometry for [Room] when processing the room-bounding element [Name]. The free part of the face is found by subtracting the portions of the face that overlap various room-bounding element faces. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0) 
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