moveit demo.launch

edit

so I have set up the moveit assistant,and I catkin_make the package, it hadnt shown any error. but as I typed the code: roslaunch XXX_config demo.launch , it showed the following error, it cannot launch the demo.launch.

Traceback (most recent call last):
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/__init__.py", line 306, in main
    p.start()
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/parent.py", line 268, in start
    self._start_infrastructure()
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/parent.py", line 217, in _start_infrastructure
    self._load_config()
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/parent.py", line 132, in _load_config
    roslaunch_strs=self.roslaunch_strs, verbose=self.verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/config.py", line 451, in load_config_default
    loader.load(f, config, verbose=verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 749, in load
    self._load_launch(launch, ros_config, is_core=core, filename=filename, argv=argv, verbose=verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 721, in _load_launch
    self._recurse_load(ros_config, launch.childNodes, self.root_context, None, is_core, verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 685, in _recurse_load
    val = self._include_tag(tag, context, ros_config, default_machine, is_core, verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 95, in call
    return f(*args, **kwds)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 627, in _include_tag
    default_machine, is_core, verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 655, in _recurse_load
    default_machine, is_core, verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 681, in _recurse_load
    self._rosparam_tag(tag, context, ros_config, verbose=verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 95, in call
    return f(*args, **kwds)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 239, in _rosparam_tag
    self.load_rosparam(context, ros_config, cmd, param, file, value, verbose=verbose, subst_function=subst_function)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/loader.py", line 430, in load_rosparam
    self.add_param(ros_config, full_param, data, verbose=verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/loader.py", line 357, in add_param
    self.add_param(ros_config, ns_join(param_name, k), v, verbose=verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/roslaunch/loader.py", line 357, in add_param
    self.add_param(ros_config, ns_join(param_name, k), v, verbose=verbose)
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/rosgraph/names.py", line 172, in ns_join
    if is_private(name) or is_global(name):
  File "/opt/ros/kinetic/lib/python2.7/dist-packages/rosgraph/names.py", line 133, in is_private
    return name and name[0] == PRIV_NAME
TypeError: 'int' object has no attribute '__getitem__'