diff --git a/src/rougail/output_console/__init__.py b/src/rougail/output_console/__init__.py
index 672027f..9c65f31 100644
--- a/src/rougail/output_console/__init__.py
+++ b/src/rougail/output_console/__init__.py
@@ -105,17 +105,11 @@ class RougailOutputConsole:
                     else:
                         current_options.setdefault(None, []).append(description)
         if options:
-            self.errors.append(
-                _("The following variables are mandatory but have no value:")
-            )
-            self.errors.append(options)
+            self.errors.append({_("The following variables are mandatory but have no value:"): options})
         elif options_with_error:
-            self.errors.append(
-                _(
+            self.errors.append({_(
                     "The following variables are inaccessible but are empty and mandatory:"
-                )
-            )
-            self.errors.append([option.description() for option in options_with_error])
+                    ): self.errors.append([option.description() for option in options_with_error])})
 
     def exporter(self) -> bool:
         if self.is_mandatory:
@@ -225,9 +219,8 @@ class RougailOutputConsole:
             f"[bold][bright_red]:stop_sign: {_('ERRORS')}[/bright_red][/bold]",
             guide_style="bold bright_red",
         )
-        sub_tree = tree
         for error in errors:
-            sub_tree = self.display_error(sub_tree, error)
+            self.display_error(tree, error)
         self.out.append(tree)
 
     def display_error(self, tree, error):