Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
As the multitude of error messages state, your window (subsurface) constructions are opaque; the Radiance measure does not like that. Using either 'Glazing Window Materials' as Eric stated in his comment, or (preferrably (to me)) 'Simple Glazing System' materials, will work out better for you.
