=== modified file 'dhis-2/dhis-api/src/main/java/org/hisp/dhis/dataset/Section.java'
--- dhis-2/dhis-api/src/main/java/org/hisp/dhis/dataset/Section.java	2015-03-22 07:12:15 +0000
+++ dhis-2/dhis-api/src/main/java/org/hisp/dhis/dataset/Section.java	2015-04-04 07:23:13 +0000
@@ -125,9 +125,14 @@
         dataElements.clear();
     }
 
+    public boolean hasCategoryCombo()
+    {
+        return getCategoryCombo() != null;
+    }
+
     public DataElementCategoryCombo getCategoryCombo()
     {
-        return dataElements != null && !dataElements.isEmpty() ? dataElements.iterator().next().getCategoryCombo() : null;
+        return dataElements != null && !dataElements.isEmpty() ? dataElements.get( 0 ).getCategoryCombo() : null;
     }
 
     public boolean hasMultiDimensionalDataElement()
@@ -170,7 +175,7 @@
     {
         return dataElements != null && !dataElements.isEmpty();
     }
-
+    
     @Override
     public boolean haveUniqueNames()
     {

=== modified file 'dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/datasetreport/jdbc/AnalyticsDataSetReportStore.java'
--- dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/datasetreport/jdbc/AnalyticsDataSetReportStore.java	2015-01-17 07:41:26 +0000
+++ dhis-2/dhis-services/dhis-service-reporting/src/main/java/org/hisp/dhis/datasetreport/jdbc/AnalyticsDataSetReportStore.java	2015-04-04 07:23:13 +0000
@@ -111,11 +111,11 @@
         for ( Section section : dataSet.getSections() )
         {
             List<DataElement> dataElements = new ArrayList<>( section.getDataElements() );
-            List<DataElementCategory> categories = section.getCategoryCombo().getCategories();
+            List<DataElementCategory> categories = section.hasCategoryCombo() ? section.getCategoryCombo().getCategories() : null;
 
             FilterUtils.filter( dataElements, new AggregatableDataElementFilter() );
 
-            if ( dataElements.isEmpty() || categories.isEmpty() )
+            if ( dataElements.isEmpty() || categories == null || categories.isEmpty() )
             {
                 continue;
             }