Traceback (most recent call last):
  File "C:\Program Files\Blender Foundation\Blender\2.74\scripts\addons\io_kspblender-master\__init__.py", line 59, in execute
    return import_craft.import_craft(self,context,**keywords)
  File "C:\Program Files\Blender Foundation\Blender\2.74\scripts\addons\io_kspblender-master\import_craft.py", line 59, in import_craft
    craft = import_parts(filepath,partdir,rightscale,right_location)
  File "C:\Program Files\Blender Foundation\Blender\2.74\scripts\addons\io_kspblender-master\import_craft.py", line 202, in import_parts
    add_launchclamp(part,objlist)
  File "C:\Program Files\Blender Foundation\Blender\2.74\scripts\addons\io_kspblender-master\import_craft.py", line 584, in add_launchclamp
    bpy.context.object.modifiers[0].force = 1
AttributeError: 'HookModifier' object has no attribute 'force'

location: <unknown location>:-1