Hello Anis, I have been facing following issue when i make a local copy of ros_essentials_cpp into catkin_ws and running catkin_make

[Yarrabikki]

Base path: /home/yarrabikki/catkin_ws
Source space: /home/yarrabikki/catkin_ws/src
Build space: /home/yarrabikki/catkin_ws/build
Devel space: /home/yarrabikki/catkin_ws/devel
Install space: /home/yarrabikki/catkin_ws/install

Running command: "make cmake_check_build_system" in "/home/yarrabikki/catkin_ws/build"

-- Using CATKIN_DEVEL_PREFIX: /home/yarrabikki/catkin_ws/devel
-- Using CMAKE_PREFIX_PATH: /home/yarrabikki/catkin_ws/devel;/opt/ros/melodic
-- This workspace overlays: /home/yarrabikki/catkin_ws/devel;/opt/ros/melodic
-- Found PythonInterp: /usr/bin/python2 (found suitable version "2.7.17", minimum required is "2")
-- Using PYTHON_EXECUTABLE: /usr/bin/python2
-- Using Debian Python package layout
-- Using empy: /usr/bin/empy
-- Using CATKIN_ENABLE_TESTING: ON
-- Call enable_testing()
-- Using CATKIN_TEST_RESULTS_DIR: /home/yarrabikki/catkin_ws/build/test_results
-- Found gtest sources under '/usr/src/googletest': gtests will be built
-- Found gmock sources under '/usr/src/googletest': gmock will be built
-- Found PythonInterp: /usr/bin/python2 (found version "2.7.17")
-- Using Python nosetests: /usr/bin/nosetests-2.7
-- catkin 0.7.20
-- BUILD_SHARED_LIBS is on
-- BUILD_SHARED_LIBS is on
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- ~~ traversing 6 packages in topological order:
-- ~~ - opencv_tests
-- ~~ - vision_opencv (metapackage)
-- ~~ - ros_basics_tutorials
-- ~~ - ros_essentials_cpp
-- ~~ - cv_bridge
-- ~~ - image_geometry
-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-- +++ processing catkin package: 'opencv_tests'
-- ==> add_subdirectory(vision_opencv/opencv_tests)
-- +++ processing catkin metapackage: 'vision_opencv'
-- ==> add_subdirectory(vision_opencv/vision_opencv)
-- +++ processing catkin package: 'ros_basics_tutorials'
-- ==> add_subdirectory(ros_basics_tutorials)
-- +++ processing catkin package: 'ros_essentials_cpp'
-- ==> add_subdirectory(ros_essentials_cpp)
-- Using these message generators: gencpp;geneus;genlisp;gennodejs;genpy
CMake Error at /opt/ros/melodic/share/cv_bridge/cmake/cv_bridgeConfig.cmake:113 (message):
Project 'cv_bridge' specifies '/usr/include/opencv' as an include dir,
which is not found. It does neither exist as an absolute directory nor in
'${{prefix}}//usr/include/opencv'. Check the issue tracker
'https://github.com/ros-perception/vision_opencv/issues' and consider
creating a ticket if the problem has not been reported yet.
Call Stack (most recent call first):
/opt/ros/melodic/share/catkin/cmake/catkinConfig.cmake:76 (find_package)
ros_essentials_cpp/CMakeLists.txt:5 (find_package)

-- Configuring incomplete, errors occurred!
See also "/home/yarrabikki/catkin_ws/build/CMakeFiles/CMakeOutput.log".
See also "/home/yarrabikki/catkin_ws/build/CMakeFiles/CMakeError.log".
Makefile:530: recipe for target 'cmake_check_build_system' failed
make: *** [cmake_check_build_system] Error 1
Invoking "make cmake_check_build_system" failed
yarrabikki@yarrabikki-desktop:~/catkin_ws$