diff --git a/htdocs/fourn/class/fournisseur.facture.class.php b/htdocs/fourn/class/fournisseur.facture.class.php
index 78615fc2cf6..f1f5c8fb969 100644
--- a/htdocs/fourn/class/fournisseur.facture.class.php
+++ b/htdocs/fourn/class/fournisseur.facture.class.php
@@ -2469,7 +2469,7 @@ class FactureFournisseur extends CommonInvoice
         {
             $this->error=$obj->error;
             //dol_print_error($db,get_class($this)."::getNextNumRef ".$obj->error);
-            return false;
+            return -1;
         }
     }
 
diff --git a/htdocs/fourn/facture/card.php b/htdocs/fourn/facture/card.php
index a49bc2022fd..ba08e0db0d4 100644
--- a/htdocs/fourn/facture/card.php
+++ b/htdocs/fourn/facture/card.php
@@ -57,7 +57,7 @@ if (!empty($conf->variants->enabled)) {
 if (!empty($conf->accounting->enabled)) require_once DOL_DOCUMENT_ROOT.'/accountancy/class/accountingjournal.class.php';
 
 
-$langs->loadLangs(array('bills', 'compta', 'suppliers', 'companies', 'products', 'banks'));
+$langs->loadLangs(array('bills', 'compta', 'suppliers', 'companies', 'products', 'banks', 'admin'));
 if (!empty($conf->incoterm->enabled)) $langs->load('incoterm');
 
 $id = (GETPOST('facid', 'int') ? GETPOST('facid', 'int') : GETPOST('id', 'int'));
@@ -2329,11 +2329,9 @@ else
 		// Confirmation de la validation
 		if ($action == 'valid')
 		{
-			 // on verifie si l'objet est en numerotation provisoire
-			$objectref = substr($object->ref, 1, 4);
-			if ($objectref == 'PROV')
+			// We check if number is temporary number
+			if (preg_match('/^[\(]?PROV/i', $object->ref) || empty($object->ref)) // empty should not happened, but when it occurs, the test save life
 			{
-				$savdate = $object->date;
 				$numref = $object->getNextNumRef($societe);
 			}
 			else
@@ -2341,46 +2339,51 @@ else
 				$numref = $object->ref;
 			}
 
-			$text = $langs->trans('ConfirmValidateBill', $numref);
-			/*if (! empty($conf->notification->enabled))
-            {
-            	require_once DOL_DOCUMENT_ROOT .'/core/class/notify.class.php';
-            	$notify=new Notify($db);
-            	$text.='<br>';
-            	$text.=$notify->confirmMessage('BILL_SUPPLIER_VALIDATE',$object->socid, $object);
-            }*/
-			$formquestion = array();
-
-			$qualified_for_stock_change = 0;
-			if (empty($conf->global->STOCK_SUPPORTS_SERVICES))
+			if ($numref < 0)
 			{
-				$qualified_for_stock_change = $object->hasProductsOrServices(2);
+				setEventMessages($object->error, $object->errors, 'errors');
+				$action = '';
 			}
 			else
 			{
-				$qualified_for_stock_change = $object->hasProductsOrServices(1);
+
+				$text = $langs->trans('ConfirmValidateBill', $numref);
+				/*if (! empty($conf->notification->enabled))
+				{
+					require_once DOL_DOCUMENT_ROOT .'/core/class/notify.class.php';
+					$notify=new Notify($db);
+					$text.='<br>';
+					$text.=$notify->confirmMessage('BILL_SUPPLIER_VALIDATE',$object->socid, $object);
+				}*/
+				$formquestion = array();
+
+				$qualified_for_stock_change = 0;
+				if (empty($conf->global->STOCK_SUPPORTS_SERVICES)) {
+					$qualified_for_stock_change = $object->hasProductsOrServices(2);
+				} else {
+					$qualified_for_stock_change = $object->hasProductsOrServices(1);
+				}
+
+				if (!empty($conf->stock->enabled) && !empty($conf->global->STOCK_CALCULATE_ON_SUPPLIER_BILL) && $qualified_for_stock_change) {
+					$langs->load("stocks");
+					require_once DOL_DOCUMENT_ROOT . '/product/class/html.formproduct.class.php';
+					$formproduct = new FormProduct($db);
+					$warehouse = new Entrepot($db);
+					$warehouse_array = $warehouse->list_array();
+					if (count($warehouse_array) == 1) {
+						$label = $object->type == FactureFournisseur::TYPE_CREDIT_NOTE ? $langs->trans("WarehouseForStockDecrease", current($warehouse_array)) : $langs->trans("WarehouseForStockIncrease", current($warehouse_array));
+						$value = '<input type="hidden" id="idwarehouse" name="idwarehouse" value="' . key($warehouse_array) . '">';
+					} else {
+						$label = $object->type == FactureFournisseur::TYPE_CREDIT_NOTE ? $langs->trans("SelectWarehouseForStockDecrease") : $langs->trans("SelectWarehouseForStockIncrease");
+						$value = $formproduct->selectWarehouses(GETPOST('idwarehouse') ? GETPOST('idwarehouse') : 'ifone', 'idwarehouse', '', 1);
+					}
+					$formquestion = array(
+						array('type' => 'other', 'name' => 'idwarehouse', 'label' => $label, 'value' => $value)
+					);
+				}
+
+				$formconfirm = $form->formconfirm($_SERVER["PHP_SELF"] . '?id=' . $object->id, $langs->trans('ValidateBill'), $text, 'confirm_valid', $formquestion, 1, 1);
 			}
-
-            if (!empty($conf->stock->enabled) && !empty($conf->global->STOCK_CALCULATE_ON_SUPPLIER_BILL) && $qualified_for_stock_change)
-            {
-                $langs->load("stocks");
-                require_once DOL_DOCUMENT_ROOT.'/product/class/html.formproduct.class.php';
-                $formproduct = new FormProduct($db);
-                $warehouse = new Entrepot($db);
-                $warehouse_array = $warehouse->list_array();
-                if (count($warehouse_array) == 1) {
-                    $label = $object->type == FactureFournisseur::TYPE_CREDIT_NOTE ? $langs->trans("WarehouseForStockDecrease", current($warehouse_array)) : $langs->trans("WarehouseForStockIncrease", current($warehouse_array));
-                    $value = '<input type="hidden" id="idwarehouse" name="idwarehouse" value="'.key($warehouse_array).'">';
-                } else {
-                    $label = $object->type == FactureFournisseur::TYPE_CREDIT_NOTE ? $langs->trans("SelectWarehouseForStockDecrease") : $langs->trans("SelectWarehouseForStockIncrease");
-                    $value = $formproduct->selectWarehouses(GETPOST('idwarehouse') ?GETPOST('idwarehouse') : 'ifone', 'idwarehouse', '', 1);
-                }
-                $formquestion = array(
-                    array('type' => 'other', 'name' => 'idwarehouse', 'label' => $label, 'value' => $value)
-                );
-            }
-
-			$formconfirm = $form->formconfirm($_SERVER["PHP_SELF"].'?id='.$object->id, $langs->trans('ValidateBill'), $text, 'confirm_valid', $formquestion, 1, 1);
         }
 
         // Confirmation edit (back to draft)