Index: lams_central/web/includes/javascript/authoring/authoringGeneral.js
===================================================================
diff -u -rc9c3f3b59bf02f6e96a727e1f92a11f7a65d2bbd -ra3a2b7e60238b4705c80952dbabaef32bf564cc1
--- lams_central/web/includes/javascript/authoring/authoringGeneral.js	(.../authoringGeneral.js)	(revision c9c3f3b59bf02f6e96a727e1f92a11f7a65d2bbd)
+++ lams_central/web/includes/javascript/authoring/authoringGeneral.js	(.../authoringGeneral.js)	(revision a3a2b7e60238b4705c80952dbabaef32bf564cc1)
@@ -2269,9 +2269,9 @@
 					GeneralLib.resizePaper();
 				}
 				
-				var resizeImportPartFrame = window.parent.GeneralLib.resizeImportPartFrame;
-				if (resizeImportPartFrame) {
-					resizeImportPartFrame(+paper.attr('height'));
+				var parentFrame = window.parent.GeneralLib;
+				if (parentFrame) {
+					parentFrame.resizeImportPartFrame(+paper.attr('height'));
 				}
 
 				if (systemGate) {