Fatal error: Uncaught Error: Interface "Bitrix\Sale\Exchange\ICollision" not found in D:\ktt\ttepla.com\public_html\bitrix\modules\sale\lib\exchange\onec\importcollision.php:23 Stack trace: #0 {main} thrown in D:\ktt\ttepla.com\public_html\bitrix\modules\sale\lib\exchange\onec\importcollision.php on line 23