Failed to load EP construction in Honeybee?

I was trying to get the mean temperature on surface from honeybee. My honeybee is flying but it shows that EP Construction fail to load.Can someone please help me on this??

Hi - for questions on Ladybug | Honeybee, please check the dedicated forum here:

Make sure to spend a few minutes searching that site and reading a few posts. That will make it possible for you to upload your gh file in your post. When you attach a gh file, please make sure to only include that part of the definition that is needed to show the problem and internalize any Rhino geometry in the gh file.