diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 9b8fea19e5f..71ecd3f75d1 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -186,6 +186,12 @@ abstract class CommonObject
 	 */
 	public $projet;
 
+	/**
+	 * @deprecated
+	 * @see fk_project
+	 */
+	public $fk_projet;
+
 	/**
 	 * @var Contact a related contact
 	 * @see fetch_contact()
diff --git a/htdocs/core/class/validate.class.php b/htdocs/core/class/validate.class.php
index ac4c14f7937..9d8832c36ce 100644
--- a/htdocs/core/class/validate.class.php
+++ b/htdocs/core/class/validate.class.php
@@ -300,13 +300,13 @@ class Validate
 	/**
 	 * Check for all values in db
 	 *
-	 * @param array  $values    Boolean to validate
+	 * @param integer  $id of element
 	 * @param string $classname the class name
 	 * @param string $classpath the class path
 	 * @return boolean Validity is ok or not
 	 * @throws Exception
 	 */
-	public function isFetchable($values, $classname, $classpath)
+	public function isFetchable($id, $classname, $classpath)
 	{
 		if (!empty($classpath)) {
 			if (dol_include_once($classpath)) {
@@ -319,7 +319,7 @@ class Validate
 						return false;
 					}
 
-					if (!empty($object->table_element) && $object->isExistingObject($object->table_element, $values)) {
+					if (!empty($object->table_element) && $object->isExistingObject($object->table_element, $id)) {
 						return true;
 					} else { $this->error = $this->outputLang->trans('RequireValidExistingElement'); }
 				} else { $this->error = $this->outputLang->trans('BadSetupOfFieldClassNotFoundForValidation'); }
diff --git a/htdocs/delivery/class/delivery.class.php b/htdocs/delivery/class/delivery.class.php
index 2c43cd715a3..9edc080701b 100644
--- a/htdocs/delivery/class/delivery.class.php
+++ b/htdocs/delivery/class/delivery.class.php
@@ -106,6 +106,8 @@ class Delivery extends CommonObject
 	 */
 	public $model_pdf;
 
+	public $commande_id;
+
 	public $lines = array();