Fix : menu for product batch

htdocs/core/menus/standard/eldy.lib.php

@@ -1059,7 +1059,7 @@ function print_left_eldy_menu($db,$menu_array_before,$menu_array_after,&$tabMenu
 				{
 					$newmenu->add("/product/reassort.php?type=0", $langs->trans("Stocks"), 1, $user->rights->produit->lire && $user->rights->stock->lire);
 				}
-				if (! empty($conf->stock->enabled))
+				if (! empty($conf->productbatch->enabled))
 				{
 					$langs->load("stocks");
 					$newmenu->add("/product/reassortlot.php?type=0", $langs->trans("StocksByLotSerial"), 1, $user->rights->produit->lire && $user->rights->stock->lire);