CMake Warning at /opt/ros/kinetic/share/catkin/cmake/catkinConfig.cmake:76 (find_package):
Could not find a package configuration file provided by “move_base_msgs”
with any of the following names:

move_base_msgsConfig.cmake
move_base_msgs-config.cmake

Add the installation prefix of “move_base_msgs” to CMAKE_PREFIX_PATH or set
“move_base_msgs_DIR” to a directory containing one of the above files. If
“move_base_msgs” provides a separate development package or SDK, be sure it
has been installed.
Call Stack (most recent call first):
ros_book/chapter6_tutorials/CMakeLists.txt:4 (find_package)

解決方法：

sudo apt-get install ros-noetic-navigation