Ladybug - example file doesn't work

Hello,
I’m still a beginner in gh, but I’m trying to get some knowledge about Ladybug, but unfortunately any of the example files downloaded from Hydra don’t work (I’ve already tried 3-4). Here and example of: ‘Vector-BasedShadow_Study’:
http://hydrashare.github.io/hydra/viewer?owner=chriswmackey&fork=hydra_2&id=Vector-BasedShadow_Study&slide=0&scale=1&offset=0,0


Vector-BasedShadow_Study.gh (406.9 KB)