src/rougail/convert/collect.py

@@ -307,7 +307,7 @@ class CollectType:
             if not self.object:
                 self.set_object_user_type_variable()
             if self.raises and not self.object:
-                msg = _('cannot determine the type of the {0} "{1}"').format(
+                msg = _('the type "{0}" for "{1}" is unknown').format(
                     self.user_type, self.path
                 )
                 raise DictConsistencyError(msg, 43, self.sources)

src/rougail/user_data.py

@@ -185,7 +185,11 @@ class UserData:
                             )
                     # do not add values in variable if has already a value
                     if dynamic_variable not in self.values and not dyn_options_values:
-                        self.values[dynamic_variable] = [{"values": option.value.get()}]
+                        try:
+                            values = self.config.option(dynamic_variable).value.get()
+                        except AttributeOptionError:
+                            values = []
+                        self.values[dynamic_variable] = [{"values": values}]
                         added.append(dynamic_variable)
                     elif dynamic_variable not in added:
                         continue