From a86c90fed1586471f788b4bb22b43c1d650ff73f Mon Sep 17 00:00:00 2001
From: fappels <francis.appels@yahoo.com>
Date: Tue, 12 Jun 2018 16:38:42 +0200
Subject: [PATCH] Fix Wrong error for duplicate ref if barcode enabled but not
 set.

---
 htdocs/product/class/product.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index e989b0eb206..e293ba94bbe 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -1000,7 +1000,7 @@ class Product extends CommonObject
 				if ($this->db->errno() == 'DB_ERROR_RECORD_ALREADY_EXISTS')
 				{
 					$langs->load("errors");
-					if (empty($conf->barcode->enabled)) $this->error=$langs->trans("Error")." : ".$langs->trans("ErrorProductAlreadyExists",$this->ref);
+					if (empty($conf->barcode->enabled) || empty($this->barcode)) $this->error=$langs->trans("Error")." : ".$langs->trans("ErrorProductAlreadyExists",$this->ref);
 					else $this->error=$langs->trans("Error")." : ".$langs->trans("ErrorProductBarCodeAlreadyExists",$this->barcode);
 					$this->errors[]=$this->error;
 					$this->db->rollback();