./gmm/gmm_vector.h:245:62: note: declarations in dependent base ‘std::map<long unsigned int, double, std::less<long unsigned int>, std::allocator<std::pair<const long unsigned int, double> > >’ are not found by unqualified lookup
./gmm/gmm_vector.h:245:62: note: use ‘this->erase’ instead
make[2]: *** [getfem_mesh_fem.lo] Error 1
make[2]: Leaving directory `/home/peter/Desktop/getfem-4.0.0/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/peter/Desktop/getfem-4.0.0'
make: *** [all] Error 2
Any help regarding this would be greatly appreciated.