Index: branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products.php
===================================================================
--- branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products.php	(revision 22567)
+++ branches/version-2_12-dev/data/class/pages/admin/products/LC_Page_Admin_Products.php	(revision 22577)
@@ -59,5 +59,5 @@
         $this->arrPRODUCTSTATUS_COLOR = $masterData->getMasterData('mtb_product_status_color');
 
-        $objDate = new SC_Date();
+        $objDate = new SC_Date_Ex();
         // 登録・更新検索開始年
         $objDate->setStartYear(RELEASE_YEAR);