=== modified file 'dhis-2/dhis-web/dhis-web-visualizer/src/main/webapp/dhis-web-visualizer/app/scripts/core.js'
--- dhis-2/dhis-web/dhis-web-visualizer/src/main/webapp/dhis-web-visualizer/app/scripts/core.js	2013-07-19 08:37:53 +0000
+++ dhis-2/dhis-web/dhis-web-visualizer/src/main/webapp/dhis-web-visualizer/app/scripts/core.js	2013-07-23 13:54:03 +0000
@@ -1835,6 +1835,7 @@
 
             layoutConfig.columns = [];
             layoutConfig.rows = [];
+            layoutConfig.filters = layoutConfig.filters || [];
 
             // Series
             if (Ext.isArray(analytical.columns) && analytical.columns.length) {