Index: branches/5.2.x/core/units/filters/item_filter_tp.php
===================================================================
diff -u -N -r14901 -r14917
--- branches/5.2.x/core/units/filters/item_filter_tp.php	(.../item_filter_tp.php)	(revision 14901)
+++ branches/5.2.x/core/units/filters/item_filter_tp.php	(.../item_filter_tp.php)	(revision 14917)
@@ -138,7 +138,8 @@
 		$options = $cache[$cache_key]['options'];
 		$counts = $cache[$cache_key]['counts'];
 
-		if ( !$options ) {
+		if ( !$options || array_sum($counts) == 0 ) {
+			// no options in the filter OR no records to operate on
 			return '';
 		}