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] #28
My environment is Ubuntu20.04 and Ros2-Foxy ,But it still failed