I created a gist with my config.json generated in the bootstrap. So I tried reload in bootstrap customize, but return 404 error.
https://gist.github.com/aymone/dba37043a860d4f0abb1
http://getbootstrap.com/customize/dba37043a860d4f0abb1
http://getbootstrap.com/customize/id=dba37043a860d4f0abb1
Does anyone know what is wrong?