Index: modules/in-commerce/units/orders/orders_event_handler.php
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
--- modules/in-commerce/units/orders/orders_event_handler.php	(revision 15637)
+++ modules/in-commerce/units/orders/orders_event_handler.php	(revision )
@@ -442,7 +442,10 @@
 	function OnCompleteOrder($event)
 	{
 		$this->LockTables($event);
-		if ( !$this->CheckQuantites($event) ) {
+		$reoccurring_order = substr($event->Special, 0, 9) == 'recurring';
+
+		if ( !$reoccurring_order && !$this->CheckQuantites($event) ) {
+			// don't check quantities (that causes recalculate) for reoccurring orders
 			return;
 		}
 
\ No newline at end of file