Re-fix error handling

code/classes/SCDclass_algo.m

@@ -477,7 +477,7 @@ classdef SCDclass_algo
            if ~ismember(refdd{:},dictionaryObj.DataSources)
              fprintf('adding referenced data dictionary %s to %s \n',refdd{:},obj.getdatadictionary)
              refddpath = which(refdd{:});
-             assert(~isempty(refddpath),'could not find %s',refpath);
+             assert(~isempty(refddpath),'could not find %s',refdd{:});
              dictionaryObj.addDataSource(refdd{:});
              dosave = true;
            end