FeatureSpace updates for -DBUILD_PARAMS=OFF

fix that compilation error

src/feature_creation/feature_space/FeatureSpace.cpp

@@ -375,7 +375,11 @@ void FeatureSpace::generate_feature_space(
         }
         else
         {
+            #ifdef PARAMETERIZE
             feat_ind = _phi.size() + _phi_reparam.size();
+            #else
+            throw std::logic_error("Reparameterization only allowed if compiled with -DBUILD_PARAMS=ON");
+            #endif
         }
 
         node_value_arrs::clear_temp_reg();