Export blender animation to three.js

Question

i'm trying to convert a blender animation to a .json file, with the three.js addon for blender. i'm not a pro in blender, so please explain it for dummies. everytime i click on 'export->Three.js(.json)', i get a error message from blender.

blender error message http://s23.postimg.org/gu5mv8u7u/error_screenshot_blender.jpg

i have no idea where the error is. how can i solve this problem? for a better understanding i uploaded the blender file too. http://www.filedropper.com/walking_1

many thanks in advance.

Answer 1

Try this tutorial, it helps me in basic blender

https://devmatrix.wordpress.com/2013/02/27/creating-skeletal-animation-in-blender-and-exporting-it-to-three-js/