diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 3e0002d686d..1bb675a6a0b 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -51,6 +51,16 @@ abstract class CommonObject
     // No constructor as it is an abstract class
 
 
+    /**
+     * Method to output saved errors
+     * 
+     * @return	string		String with errors
+     */
+    function errorsToString()
+    {
+    	return $this->error.(is_array($this->errors)?(($this->error!=''?' ':'').join(',',$this->errors)):'');
+    }
+
     /**
      *	Return full name (civility+' '+name+' '+lastname)
      *