I try to compile my code, but i get this error. Anyone can help me? Here is my terminal: $make bin_MsFEM_poisson2D_DMDA mpicc -o bin_MsFEM_poisson2D_DMDA MsFEM_poisson2D_DMDA.o UserParameter.o FormFunction.o MsFEM.o PCMsFEM.o /home/ivan/petsc/opt-3.21.2/lib/libpetsc.so \ /home/ivan/petsc/opt-3.21.2/lib/libsuperlu_dist.so \ /home/ivan/petsc/opt-3.21.2/lib/libparmetis.so \ /home/ivan/petsc/opt-3.21.2/lib/libmetis.so \ /usr/lib64/atlas/liblapack.a /usr/lib64/libblas.so.3 /usr/bin/ld: cannot find /usr/lib64/atlas/liblapack.a: No such file or directory /usr/bin/ld: cannot find /usr/lib64/libblas.so.3: No such file or directory collect2: error: ld returned 1 exit status make: *** [makefile:18: bin_MsFEM_poisson2D_DMDA] Error 1 -- Best regards, Ivan Luthfi Ihwani