Index: kernel/utility/formatters/upload_formatter.php
===================================================================
--- kernel/utility/formatters/upload_formatter.php	(revision 15462)
+++ kernel/utility/formatters/upload_formatter.php	(working copy)
@@ -486,7 +486,7 @@
 	 */
 	function GetFormatted($value, $field_name, &$object, $format = NULL, $force_direct_links = NULL)
 	{
-		if ( !$format ) {
+		if ( !$format || !$value ) {
 			return $value;
 		}