diff --git a/htdocs/core/modules/DolibarrModules.class.php b/htdocs/core/modules/DolibarrModules.class.php
index 24fa4437a36..d6baed78c46 100644
--- a/htdocs/core/modules/DolibarrModules.class.php
+++ b/htdocs/core/modules/DolibarrModules.class.php
@@ -7,7 +7,7 @@
  * Copyright (C) 2005-2012  Regis Houssin           <regis.houssin@inodbox.com>
  * Copyright (C) 2014       Raphaël Doursenaud      <rdoursenaud@gpcsolutions.fr>
  * Copyright (C) 2018       Josep Lluís Amador      <joseplluis@lliuretic.cat>
- * Copyright (C) 2019       Frédéric France         <frederic.france@netlogic.fr>
+ * Copyright (C) 2019-2022  Frédéric France         <frederic.france@netlogic.fr>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -180,6 +180,11 @@ class DolibarrModules // Can not be abstract, because we need to instantiate it
 	 */
 	public $error;
 
+	/**
+	 * @var string[] Array of Errors messages
+	 */
+	public $errors;
+
 	/**
 	 * @var string Module version
 	 * @see http://semver.org
@@ -220,16 +225,12 @@ class DolibarrModules // Can not be abstract, because we need to instantiate it
 	public $descriptionlong;
 
 	/**
-	 * dictionaries
-	 *
-	 * @var array
+	 * @var array dictionaries description
 	 */
 	public $dictionaries;
 
 	/**
-	 * tabs
-	 *
-	 * @var array
+	 * @var array tabs description
 	 */
 	public $tabs;