Fatal error: Uncaught Error: Class "Bitrix\Main\Localization\Loc" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\catalog\lib\product\systemfield\productmapping\setdefaultvaluestepper.php:15 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\catalog\lib\product\systemfield\productmapping\setdefaultvaluestepper.php on line 15