Index: lams_central/web/includes/javascript/authoring/authoringGeneral.js
===================================================================
diff -u -r06a4c89bf38facb59f2586650246f08cfdd4d0fe -r4d93de876d7c8ade263a2774cd7d155c564d7177
--- lams_central/web/includes/javascript/authoring/authoringGeneral.js	(.../authoringGeneral.js)	(revision 06a4c89bf38facb59f2586650246f08cfdd4d0fe)
+++ lams_central/web/includes/javascript/authoring/authoringGeneral.js	(.../authoringGeneral.js)	(revision 4d93de876d7c8ade263a2774cd7d155c564d7177)
@@ -2268,9 +2268,9 @@
 					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) {