WARNING: ROS PYTHON VERSION is unset.Defaulting to3ERROR: the following packages/stacks could not have their rosdep keys resolvedto system dependencies:cslam: Cannot locate rosdep definition for [diagnostic msgs]cslam common interfaces: Cannot locate rosdep definition for [rtabmap msgs]cslam experiments: Cannot locate rosdep definition for [rccpp components]
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clean-shero commented
My environment is Ubuntu20.04 and Ros2-Foxy ，But it still failed
lajoiepy commented
Seems like a rosdep error. Try manual installations:
For example:
sudo apt install ros-foxy-diagnostic-msgs