=== modified file 'dhis-2/dhis-web/dhis-web-apps/src/main/webapp/dhis-web-event-visualizer/scripts/app.js'
--- dhis-2/dhis-web/dhis-web-apps/src/main/webapp/dhis-web-event-visualizer/scripts/app.js	2015-05-13 15:44:45 +0000
+++ dhis-2/dhis-web/dhis-web-apps/src/main/webapp/dhis-web-event-visualizer/scripts/app.js	2015-05-13 17:16:35 +0000
@@ -6710,6 +6710,10 @@
 						var layoutConfig = Ext.decode(r.responseText),
 							layout = api.layout.Layout(layoutConfig);
 
+                        if (!layout) {
+                            return;
+                        }
+
 						web.report.getData(layout, true);
 					}
 				});