I'm following this tutorial: https://www.generationrobots.com/blog/en/2015/02/robotic-simulation-scenarios-with-gazebo-and-ros/
and get this when trying to launch:
timmx@timmx-NV52L:~/catkin_ws/src/mybot_description/urdf$ roslaunch mybot_gazebo mybot_world.launch
... logging to /home/timmx/.ros/log/f8a88710-7f35-11e8-80fd-20689d9ebc85/roslaunch-timmx-NV52L-27035.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.
xacro: Traditional processing is deprecated. Switch to --inorder processing!
To check for compatibility of your document, use option --check-order.
For more infos, see http://wiki.ros.org/xacro#Processing_Order
xacro:arg: missing attribute 'default'
when processing file: /home/timmx/catkin_ws/src/mybot_description/urdf/mybot.xacro
Invalid tag: Cannot load command parameter [robot_description]: command [/opt/ros/kinetic/share/xacro/xacro.py '/home/timmx/catkin_ws/src/mybot_description/urdf/mybot.xacro'] returned with code [2].
Param xml is
The traceback for the exception was written to the log file
I have written the following files:
**MYBOT.XACRO**
Gazebo/Orange
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