Fatal error: Uncaught Error: Interface "Bitrix\Catalog\v2\IblockElementRepositoryContract" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\catalog\lib\v2\Sku\SkuRepositoryContract.php:17 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\catalog\lib\v2\Sku\SkuRepositoryContract.php on line 17