Error while launching demo.launch in custom moveit config

I have generated a moveit configuration from a custom URDF using the MoveIt Setup assistant and this tutorial(http://wiki.ros.org/Industrial/Tutorials/Create_a_MoveIt_Pkg_for_an_Industrial_Robot). I have been able to generate all the files in the config and launch folders as well. But, the problem occurs when I try to launch the demo.launch file using roslaunch. Since this is a custom URDF, there's no package name, hence I simply use this command to launch the file roslaunch ./launch/demo.launch Everytime I try to do this, I get an error like this ... logging to /home/tarang/.ros/log/4bbd5ee2-924a-11e6-9522-4ceb427f02d3/roslaunch-HP-dv6-19948.log Checking log directory for disk usage. This may take awhile. Press Ctrl-C to interrupt Done checking log file disk usage. Usage is <1GB. Invalid tag: manip_moveit_config ROS path [0]=/opt/ros/indigo/share/ros ROS path [1]=/home/tarang/ros_try/urdftry/robotis_try/catkin_Ws/src ROS path [2]=/opt/ros/indigo/share ROS path [3]=/opt/ros/indigo/stacks. Arg xml is The traceback for the exception was written to the log file Here, `manip_moveit_config` is the name of the folder in which I saved my moveit config (in the last step of the setup assistant) What am I missing here? Do I need to perform any other steps(besides those mentioned in the tutorial) to get it to work?