在下载编译Fishbot机器人仿真时执行rosdep install --from-paths src -y出现错误
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错误信息如下：
ERROR: the following packages/stacks could not have their rosdep keys resolved
to system dependencies:
nav2_waypoint_follower: Cannot locate rosdep definition for [ament_lint_auto]
nav2_dwb_controller: Cannot locate rosdep definition for [nav_2d_utils]
nav2_msgs: Cannot locate rosdep definition for [nav_msgs]
smac_planner: Cannot locate rosdep definition for [ament_lint_auto]
nav2_gazebo_spawner: Cannot locate rosdep definition for [ament_copyright]
nav2_lifecycle_manager: Cannot locate rosdep definition for [ament_lint_common]
nav2_amcl: Cannot locate rosdep definition for [ament_lint_auto]
navigation2: Cannot locate rosdep definition for [nav2_regulated_pure_pursuit_controller]
nav2_common: Cannot locate rosdep definition for [rclpy]
fishbot_cartographer: Cannot locate rosdep definition for [ament_lint_common]
nav2_system_tests: Cannot locate rosdep definition for [launch_testing]
fishbot_controller: Cannot locate rosdep definition for [ament_pep257]
nav2_planner: Cannot locate rosdep definition for [ament_lint_auto]
nav2_core: Cannot locate rosdep definition for [launch_testing]
dwb_core: Cannot locate rosdep definition for [ament_lint_auto]
nav2_navfn_planner: Cannot locate rosdep definition for [ament_lint_auto]
nav2_voxel_grid: Cannot locate rosdep definition for [ament_cmake_gtest]
nav2_recoveries: Cannot locate rosdep definition for [ament_cmake_gtest]
nav2_util: Cannot locate rosdep definition for [action_msgs]
nav_2d_msgs: Cannot locate rosdep definition for [rosidl_default_runtime]
nav2_controller: Cannot locate rosdep definition for [ament_lint_auto]
nav2_bringup: Cannot locate rosdep definition for [launch_testing]
cartographer_ros: Cannot locate rosdep definition for [tf2_msgs]
cartographer_ros_msgs: Cannot locate rosdep definition for [ament_lint_common]
nav2_map_server: Cannot locate rosdep definition for [launch_testing]
fishbot_navigation2: Cannot locate rosdep definition for [ament_lint_common]
nav2_costmap_2d: Cannot locate rosdep definition for [nav2_lifecycle_manager]
costmap_queue: Cannot locate rosdep definition for [ament_cmake_gtest]
dwb_plugins: Cannot locate rosdep definition for [ament_cmake_gtest]
nav_2d_utils: Cannot locate rosdep definition for [ament_lint_auto]
dwb_critics: Cannot locate rosdep definition for [ament_lint_auto]
dwb_msgs: Cannot locate rosdep definition for [rosidl_default_runtime]
fishbot_description: Cannot locate rosdep definition for [ament_pep257]
nav2_bt_navigator: Cannot locate rosdep definition for [ament_lint_auto]
nav2_rviz_plugins: Cannot locate rosdep definition for [ament_lint_auto]
nav2_behavior_tree: Cannot locate rosdep definition for [ament_lint_auto]
nav2_regulated_pure_pursuit_controller: Cannot locate rosdep definition for [ament_lint_auto]
Ubuntu为20.04，ros2为foxy，Fishbot分支代码为foxy版本，在执行rosdep install --from-paths src -y时出现错误，请问这是什么错误？怎么解决？ -
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@小鱼 在https://github.com/fishros/fishbot/tree/foxy中下载了fishbot的源码，在执行rosdep install --from-paths src -y时提示rosdep错误，最后通过三条命令重新更新 sudo pip3 install rosdepc、sudo rosdepc init、rosdepc update；再次执行rosdep install --from-paths src -y时就出现了这些错误
