Fatal error: Uncaught Error: Class "Bitrix\Main\Localization\Loc" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\learning\install\index.php:4 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\learning\install\index.php on line 4