Fatal error: Uncaught Error: Class "Bitrix\Sale\Internals\EntityCollection" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\sale\lib\entitypropertyvaluecollection.php:14 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\sale\lib\entitypropertyvaluecollection.php on line 14