I've made a building in sketchup, everything is working fine, except the detailed mode of radiation, due to this error while generating SHD file :
*** Fatal Error at time : 0.000000
Generated by Unit : Not applicable or not available
Generated by Type : Not applicable or not available
TRNSHD Message 10 : The calculated sunlit fraction is less than zero.
Reported information : Wall surface: 13.
There is no problem generating view factor matrix.