I am unable to change the model from "render by boundary condition" to "render by surface type". Why is that? Also when I open the model in OpenStudio SketchUp, one of the surfaces appears to be white. Can anyone explain?

I i am unable to change the model from "render by boundary condition" to "render by surface type". Why type" why is that? Also that?? also when I i open the model in OpenStudio SketchUp, openstudio sketchup, one of the surfaces appears appear to be white. Can can anyone explain?explain? please help

i am unable to change the model from "render by boundary condition" to "render by surface type" why is that?? also when i open the model in openstudio sketchup, one of the surfaces appear to be white. can anyone explain? please help

i am unable to change the model from "render by boundary condition" to "render by surface type" why is that?? also when i open the model in openstudio sketchup, one of the surfaces appear to be white. can anyone explain? please help

i am unable to change the model from "render by boundary condition" to "render by surface type" why is that?? also when i open the model in openstudio sketchup, one of the surfaces appear to be white. can anyone explain? please help

i am unable unavle to change the model from "render by boundary condition" to "render by surface type" why is that?? also when i open the model in openstudio sketchup, one of the surfaces appear to be white. can anyone explain? please help