Index: lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/CanvasModel.as
===================================================================
diff -u -r03b031be37c28c0c310a0a04105bb8d6a940fe8c -rd43aa3bc7b08925ff55ad277ffe1f3fb69717b2c
--- lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/CanvasModel.as	(.../CanvasModel.as)	(revision 03b031be37c28c0c310a0a04105bb8d6a940fe8c)
+++ lams_central/src/flash/org/lamsfoundation/lams/authoring/cv/CanvasModel.as	(.../CanvasModel.as)	(revision d43aa3bc7b08925ff55ad277ffe1f3fb69717b2c)
@@ -387,7 +387,7 @@
 		//lets do a test to see if we got the canvas
 		Debugger.log('Removed Child '+ca.activity.activityUIID+ 'from : '+ca.activity.parentUIID,Debugger.GEN,'removeOptionalCA','CanvasModel');
 		ca.activity.parentUIID = null;
-		
+		ca.activity.orderID = null;
 		removeActivity(ca.activity.activityUIID);
 		removeActivity(parentID);
 		setDirty();