請教一下各位大佬，在catkin_ws根目錄下使用catkin_make后一直報錯，不知道該怎么解決
CMake Error at /opt/ros/melodic/share/catkin/cmake/safe_execute_process.cmake:11 (message):
execute_process(/home/bmsys/catkin_ws/build/catkin_generated/env_cached.sh
"/usr/bin/python2" "/usr/bin/empy" "--raw-errors" "-F"
"/home/bmsys/catkin_ws/build/learning_topic/cmake/learning_topic-genmsg-context.py"
"-o"
"/home/bmsys/catkin_ws/build/learning_topic/cmake/learning_topic-genmsg.cmake"
"/opt/ros/melodic/share/genmsg/cmake/pkg-genmsg.cmake.em") returned error
code 1
Call Stack (most recent call first):
/opt/ros/melodic/share/catkin/cmake/em_expand.cmake:25 (safe_execute_process)
/opt/ros/melodic/share/genmsg/cmake/genmsg-extras.cmake:303 (em_expand)
learning_topic/CMakeLists.txt:80 (generate_messages)
-- Configuring incomplete, errors occurred!
See also "/home/bmsys/catkin_ws/build/CMakeFiles/CMakeOutput.log".
See also "/home/bmsys/catkin_ws/build/CMakeFiles/CMakeError.log".
Makefile:754: recipe for target 'cmake_check_build_system' failed
make: *** [cmake_check_build_system] Error 1
Invoking "make cmake_check_build_system" failed
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