Error for Making the Grade C++

Exercism
1

Hi all, i get the following error while doing Making the Grade C++

We received the following error when we ran your code:

make[2]: *** [CMakeFiles/test_making-the-grade.dir/build.make:70: CMakeFiles/test_making-the-grade] Error 5
make[1]: *** [CMakeFiles/Makefile2:111: CMakeFiles/test_making-the-grade.dir/all] Error 2
make: *** [Makefile:91: all] Error 2
Anyone has idea what it is about and how to fix it? Much thanks!!!
2

There may be a bug in your code. It is hard to say where without seeing your code. Please share your code!