Fatal error: Uncaught Error: Class "Bitrix\Catalog\Component\BaseForm" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\catalog\lib\component\variationform.php:12 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\catalog\lib\component\variationform.php on line 12