CMakeFiles/ORB_SLAM2.dir/build.make:134: recipe for target 'CMakeFiles/ORB_SLAM2.dir/src/LoopClosing.cc.o' failed

This error message is indicating that there was a failure while building the object file 'LoopClosing.cc.o' for the ORB_SLAM2 project using CMake.

Possible reasons for the failure could be:

- Syntax error in the code of the 'LoopClosing.cc' file
- Missing or incorrect dependencies in the CMakeLists.txt file
- Insufficient system resources (e.g. memory, disk space) to complete the build process
- Compiler or linker errors

To resolve this error, you can try the following steps:

- Check the code in 'LoopClosing.cc' for any syntax errors or issues.
- Ensure that all required dependencies are correctly specified in the CMakeLists.txt file.
- Check your system resources to ensure that there is enough memory and disk space to complete the build process.
- Check the error message or logs for any specific compiler or linker errors and address them accordingly.