CMake Error at CMakeLists.txt:4 (find_package): By not providing "Findcatkin_simple.cmake" in CMAKE_MODULE_PATH this project has asked CMake to find a package configuration file provided by "catkin_simple", but CMake did not find one. Could not find a package configuration file provided by "catkin_simple" with any of the following names: catkin_simpleConfig.cmake catkin_simple-config.cmake Add the installation prefix of "catkin_simple" to CMAKE_PREFIX_PATH or set "catkin_simple_DIR" to a directory containing one of the above files. If "catkin_simple" provides a separate development package or SDK, be sure it has been installed.