Index: modules/in-commerce/units/orders/orders_event_handler.php
===================================================================
--- modules/in-commerce/units/orders/orders_event_handler.php
+++ modules/in-commerce/units/orders/orders_event_handler.php
@@ -3806,6 +3806,8 @@
 		}
 
 		foreach ( $this->trackCopiedOrderIDs($event) as $id ) {
+			$this->Application->removeObject($event->getPrefixSpecial());
+
 			$an_event = new kEvent($this->Prefix . ':Dummy');
 			$this->Application->SetVar($this->Prefix . '_id', $id);
 			$this->Application->SetVar($this->Prefix . '_mode', ''); // this is to fool ReserveItems to use live table