diff --git a/src/rougail/annotator/family.py b/src/rougail/annotator/family.py
index 5b17fa79a..5dd63759f 100644
--- a/src/rougail/annotator/family.py
+++ b/src/rougail/annotator/family.py
@@ -66,7 +66,7 @@ class Annotator(Walk):
             return
         self.check_leadership()
         self.remove_empty_families()
-        self.family_names()
+        self.family_description()
         if self.objectspace.modes_level:
             self.modes = {
                 name: Mode(idx)
@@ -75,6 +75,11 @@ class Annotator(Walk):
             self.default_variable_mode = self.objectspace.default_variable_mode
             self.default_family_mode = self.objectspace.default_family_mode
             self.change_modes()
+        else:
+            for family in self.get_families():
+                self.valid_mode(family)
+            for variable in self.get_variables():
+                self.valid_mode(variable)
         self.convert_help()
 
     def check_leadership(self) -> None:
@@ -113,11 +118,15 @@ class Annotator(Walk):
                 return True
         return False
 
-    def family_names(self) -> None:
-        """Set doc, path, ... to family"""
+    def family_description(self) -> None:
         for family in self.get_families():
             if not family.description:
                 family.description = family.name
+            if family.type == 'dynamic' and isinstance(family.dynamic, VariableCalculation):
+                path = self.objectspace.paths.get_full_path(family.dynamic.variable,
+                                                            family.path,
+                                                            )
+                self.objectspace.informations.add(family.path, "dynamic_variable", path)
 
     def change_modes(self):
         """change the mode of variables"""
@@ -159,10 +168,16 @@ class Annotator(Walk):
     ) -> None:
         modes_level = self.objectspace.modes_level
         if self._has_mode(obj) and obj.mode not in modes_level:
-            msg = _(
-                f'mode "{obj.mode}" for "{obj.name}" is not a valid mode, '
-                f"valid modes are {modes_level}"
-            )
+            if modes_level:
+                msg = _(
+                    f'mode "{obj.mode}" for "{obj.name}" is not a valid mode, '
+                    f"valid modes are {modes_level}"
+                )
+            else:
+                msg = _(
+                    f'mode "{obj.mode}" for "{obj.name}" is not a valid mode, '
+                    f"no modes are available"
+                )
             raise DictConsistencyError(msg, 71, obj.xmlfiles)
 
     def _set_default_mode(