From 31ea87ae5816a2f46b35f6fa679536c76e4823b8 Mon Sep 17 00:00:00 2001
From: rjy7 <rjy7@440791e1-c2bf-4c1e-ad7c-caf3f8b0ebe8>
Date: Wed, 19 Jan 2011 19:06:13 +0000
Subject: [PATCH] Check that vClassGroup is non-null to prevent errors on the
 page

---
 .../partials/menupage/menupage-checkForData.ftl   | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/webapp/web/templates/freemarker/body/partials/menupage/menupage-checkForData.ftl b/webapp/web/templates/freemarker/body/partials/menupage/menupage-checkForData.ftl
index 3a0c19d26..34867e28e 100644
--- a/webapp/web/templates/freemarker/body/partials/menupage/menupage-checkForData.ftl
+++ b/webapp/web/templates/freemarker/body/partials/menupage/menupage-checkForData.ftl
@@ -2,12 +2,15 @@
 
 <#assign populatedClasses = 0 />
 
-<#list vClassGroup as vClass>
-    <#-- Check to see if any of the classes in this class group have individuals -->
-    <#if (vClass.entityCount > 0)>
-        <#assign populatedClasses = populatedClasses + 1 />
-    </#if>
-</#list>
+<#if vClassGroup??> <#-- the controller may put a null -->
+    <#list vClassGroup as vClass>
+        <#-- Check to see if any of the classes in this class group have individuals -->
+        <#if (vClass.entityCount > 0)>
+            <#assign populatedClasses = populatedClasses + 1 />
+        </#if>
+    </#list>
+</#if>
+
 <#if (populatedClasses == 0)>
     <#assign noData = true />
 <#else>