Hello, I have recently started learning ROS2, hard stuck due to an error:-
I wanted to build a simple robot, so I made the urdf file and added the plugins but still, the RobotModel in Rviz showed me an error…
It would be nice if someone could help me with this.
You have a missing transform link from left_wheel_link (wheel frame) to the centre of your robot which is the base_footprint. This can be corrected in your xacro file .Also check if you have joint_state_publisher_gui installed.
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In the future, please open questions like this on https://answers.ros.org, which is our Question and Answer site. Discourse is meant for general discussion, not debugging specific issues.
And if you think about the even further future, please open these types of questions on https://robotics.stackexchange.com, because ros-answers will be read-only in two days. See IMPORTANT: Final ROS & Gazebo Answers Migration Schedule
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