Failed to roslaunch the example

[lyhbuaa]

I used the indigo-level and had successfully catkin_make, and sourced the path, but failed to roslaunch:

[100%] Linking CXX shared library /home/lyh/catkin_ws/devel/lib/libmoveit_cartesian_plan_plugin.so
[100%] Built target moveit_cartesian_plan_plugin
lyh@lyh-ThinkPad-T440:~/catkin_ws$ source devel/setup.bash
lyh@lyh-ThinkPad-T440:~/catkin_ws$ roslaunch fermi_sia20d_moveit_config moveit_planning_execution.launch
[moveit_planning_execution.launch] is neither a launch file in package [fermi_sia20d_moveit_config] nor is [fermi_sia20d_moveit_config] a launch file name
The traceback for the exception was written to the log file