CMake Error at ament_cmake_symlink_install/ament_cmake_symlink_install.cmake:100 (message):
  ament_cmake_symlink_install_directory() can't find
  '/home/ubuntu/ros2_ws/src/beacon_positioning/launch'
Call Stack (most recent call first):
  ament_cmake_symlink_install/ament_cmake_symlink_install.cmake:317 (ament_cmake_symlink_install_directory)
  cmake_install.cmake:41 (include)