=== modified file 'dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/organisationunit/DefaultOrganisationUnitService.java'
--- dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/organisationunit/DefaultOrganisationUnitService.java	2013-11-02 16:06:03 +0000
+++ dhis-2/dhis-services/dhis-service-core/src/main/java/org/hisp/dhis/organisationunit/DefaultOrganisationUnitService.java	2013-11-06 12:24:02 +0000
@@ -432,7 +432,7 @@
                 if ( level < parentLevel )
                 {
                     throw new IllegalArgumentException(
-                        "Level must be greater than or equal to level of parent OrganisationUnit" );
+                        "Level must be greater than or equal to level of parent organisation unit" );
                 }
     
                 if ( level == parentLevel )

=== modified file 'dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/AnalyticsController.java'
--- dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/AnalyticsController.java	2013-10-03 08:22:21 +0000
+++ dhis-2/dhis-web/dhis-web-api/src/main/java/org/hisp/dhis/api/controller/AnalyticsController.java	2013-11-06 12:24:02 +0000
@@ -218,6 +218,12 @@
         ContextUtils.conflictResponse( response, ex.getMessage() );
     }
 
+    @ExceptionHandler(IllegalArgumentException.class)
+    public void handleError( IllegalArgumentException ex, HttpServletResponse response )
+    {
+        ContextUtils.conflictResponse( response, ex.getMessage() );
+    }
+
     // -------------------------------------------------------------------------
     // Supportive methods
     // -------------------------------------------------------------------------