Index: lams_admin/src/java/org/lamsfoundation/lams/admin/web/ConfigAction.java
===================================================================
diff -u -r7248fb9335792be231dcc498f37b28ffa0c794dc -r7ad532d2d520192bbbba76a881b53064341c88d1
--- lams_admin/src/java/org/lamsfoundation/lams/admin/web/ConfigAction.java	(.../ConfigAction.java)	(revision 7248fb9335792be231dcc498f37b28ffa0c794dc)
+++ lams_admin/src/java/org/lamsfoundation/lams/admin/web/ConfigAction.java	(.../ConfigAction.java)	(revision 7ad532d2d520192bbbba76a881b53064341c88d1)
@@ -107,7 +107,8 @@
 					return mapping.findForward("config");
 				}
 			}
-			if (item.getFormat().equals(ConfigurationItem.LONG_FORMAT)) {
+			String format = item.getFormat();
+			if (format!=null && format.equals(ConfigurationItem.LONG_FORMAT)) {
 				try {
 					Long.parseLong(values[i]);
 				} catch (NumberFormatException e) {