load simulink algo before accessing its workspace

code/classes/SCDclass_algo.m

@@ -622,6 +622,7 @@ classdef SCDclass_algo
          refmodels = find_mdlrefs(modelname);
          for model = refmodels
            mymodel = model{:};
+           load_system(mymodel);
            if isequal(mymodel,modelname) % only init if model itself
              hws = get_param(mymodel,'modelworkspace');
              if isequal(hws.DataSource,'MATLAB File')