Hello there people…
To begin with I was running yabee.py through Blender's script window which complained could not find module "io_scene_egg". After that I had to manually zip up YABEE-master after downloading off GitHub. Loading this zip file into Blender like the help file explained it worked.Then I got " ID user decrement error "
WRITE main EGG to /Users/imac/Documents/Blender/pandaBOX.egg
ID user decrement error: MEboxvert.001 (from '[Main]'): 0 <= 0
ID user decrement error: TEclouds.001 (from '[Main]'): 0 <= 0
The .egg file was exported. Just with a warning.
Now I can model
Kevin.