Fix: Delete order

htdocs/commande/commande.class.php

@@ -1886,7 +1886,7 @@ class Commande extends CommonObject
 
 		$sql = "DELETE FROM ".MAIN_DB_PREFIX."element_element";
 		$sql.= " WHERE fk_target = ".$this->id;
-		$sql.= " AND targettype = ".$this->element;
+		$sql.= " AND targettype = '".$this->element."'";
 		if (! $this->db->query($sql) )
 		{
 			$err++;