klm/bklm/geometry/src/GeometryPar.cc:639:13: error: cannot assign to non-static data member within const member function 'getActiveMiddleRadius'
  639 |   m_NSector = 8;
      |   ~~~~~~~~~ ^
klm/bklm/geometry/src/GeometryPar.cc:636:21: note: member function 'Belle2::bklm::GeometryPar::getActiveMiddleRadius' is declared const here
  636 | double GeometryPar::getActiveMiddleRadius(int section, int sector, int layer) const
      | ~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.