can't start turtlebot3_simulation
Following steps on http://turtlebot3.robotis.com/en/late... Got error after
export TURTLEBOT3_MODEL=burger roslaunch turtlebot3_fake turtlebot3_fake.launch
THe error is
ERROR: cannot launch node of type [turtlebot3_fake/turtlebot3_fake_node]: can't locate node [turtlebot3_fake_node] in package [turtlebot3_fake]
what should I do to fix it?
Thanks