Fatal error: Uncaught Error: Class "Bitrix\Sale\Controller\ControllerBase" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\sale\lib\controller\propertyvariant.php:12 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\sale\lib\controller\propertyvariant.php on line 12