Index: branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products_Product.php
===================================================================
--- branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products_Product.php	(revision 21591)
+++ branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products_Product.php	(revision 21667)
@@ -1134,6 +1134,4 @@
         $objDb = new SC_Helper_DB_Ex();
 
-        $product_id = $arrList['product_id'];
-
         // 配列の添字を定義
         $checkArray = array('product_class_id', 'product_id', 'product_code', 'stock', 'stock_unlimited', 'price01', 'price02', 'sale_limit', 'deliv_fee', 'point_rate' ,'product_type_id', 'down_filename', 'down_realfilename');