roslaunch turtlebot kinetic

edit

on running the roslaunch turtlebot_gazebo turtlebot_world.launch command I am getting the following error

/home/abhilesh/catkin_ws/src/gazebo_ros_pkgs/gazebo_ros/scripts/gzserver: 6: export: :/usr/lib/x86_64-linux-gnu/gazebo-7/plugins: bad variable name
/home/abhilesh/catkin_ws/src/gazebo_ros_pkgs/gazebo_ros/scripts/gzclient: 6: export: :/usr/lib/x86_64-linux-gnu/gazebo-7/plugins: bad variable name

[gazebo-2] process has died [pid 20430, exit code 2, cmd /home/abhilesh/catkin_ws/src/gazebo_ros_pkgs/gazebo_ros/scripts/gzserver -e ode worlds/empty.world __name:=gazebo __log:=/home/abhilesh/.ros/log/39bd59f0-a985-11e8-adbe-f83441238011/gazebo-2.log].
log file: /home/abhilesh/.ros/log/39bd59f0-a985-11e8-adbe-f83441238011/gazebo-2*.log
[gazebo_gui-3] process has died [pid 20445, exit code 2, cmd /home/abhilesh/catkin_ws/src/gazebo_ros_pkgs/gazebo_ros/scripts/gzclient __name:=gazebo_gui __log:=/home/abhilesh/.ros/log/39bd59f0-a985-11e8-adbe-f83441238011/gazebo_gui-3.log].
log file: /home/abhilesh/.ros/log/39bd59f0-a985-11e8-adbe-f83441238011/gazebo_gui-3*.log

Please let me know how to get around this issue.