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I think there could be a problem with the way you installed ROS. Did you do a source based installation or apt-get install ros-electric-turtlebot-viz?

I think there could be a problem with the way you installed ROS. Did you do a source based installation or apt-get install ros-electric-turtlebot-viz?

Check that $ROS_PACKAGE_PATH is set to /opt/ros/electric/stacks and also to your workspace.

Add the line export ROS_PACKAGE_PATH=/opt/ros/electric/stacks:(your_path)

replace (your_path) with ~/ros_workspace if your ros_workspace directory is in your home directory.

I think there could be a problem with the way you installed ROS. Did you do a source based installation or apt-get install ros-electric-turtlebot-viz?

Check that $ROS_PACKAGE_PATH is set to /opt/ros/electric/stacks and also to your workspace.

Add the line

export ROS_PACKAGE_PATH=/opt/ros/electric/stacks:(your_path)

to your .bashrc file

replace (your_path) with ~/ros_workspace if your ros_workspace directory is in your home directory.