Index: lams_central/web/lams_authoring.swf
===================================================================
diff -u -r524875c8f256cd60d0f22996857f8ea37261b01a -r83fbf5159b9583cf3a97857974089884d0b66f63
Binary files differ
Index: lams_central/web/lams_authoring_library.swf
===================================================================
diff -u -r524875c8f256cd60d0f22996857f8ea37261b01a -r83fbf5159b9583cf3a97857974089884d0b66f63
Binary files differ
Index: lams_flash/src/central/flash/org/lamsfoundation/lams/authoring/cv/CanvasController.as
===================================================================
diff -u -r404d93837b662ab1ca1cbd30cbe7bda83d774944 -r83fbf5159b9583cf3a97857974089884d0b66f63
--- lams_flash/src/central/flash/org/lamsfoundation/lams/authoring/cv/CanvasController.as	(.../CanvasController.as)	(revision 404d93837b662ab1ca1cbd30cbe7bda83d774944)
+++ lams_flash/src/central/flash/org/lamsfoundation/lams/authoring/cv/CanvasController.as	(.../CanvasController.as)	(revision 83fbf5159b9583cf3a97857974089884d0b66f63)
@@ -193,8 +193,8 @@
 				ca.activity.activityUIID == referenceOnCanvas.activity.activityUIID) {
 				var canvasActs:Array = _canvasModel.activitiesDisplayed.values();
 				for (var i=0; i<canvasActs.length; i++) {
-					if (referenceOnCanvas.hitTest(canvasActs[i]) && canvasActs[i].activity.activityTypeID != Activity.REFERENCE_ACTIVITY_TYPE) {
-						
+					if (referenceOnCanvas.hitTest(canvasActs[i]) && canvasActs[i].activity.activityTypeID != Activity.REFERENCE_ACTIVITY_TYPE &&
+						canvasActs[i].activity.parentUIID == null) {
 						LFMessage.showMessageAlert(Dictionary.getValue("support_msg_cannot_be_child"), null);
 						activitySnapBack(ca);
 					}