diff --git a/htdocs/accountancy/class/accountancysystem.class.php b/htdocs/accountancy/class/accountancysystem.class.php
index a62dddd6a26..99f908e70e3 100644
--- a/htdocs/accountancy/class/accountancysystem.class.php
+++ b/htdocs/accountancy/class/accountancysystem.class.php
@@ -38,6 +38,11 @@ class AccountancySystem
 	 */
 	public $error = '';
 
+	/**
+	 * @var string[] Array of Errors code (or messages)
+	 */
+	public $errors = array();
+
 	/**
 	 * @var int ID
 	 */