From 4551def4aabdfdce1731e728f2ccbf6d5ccb4d28 Mon Sep 17 00:00:00 2001
From: Vadim Belman <vrurg@lflat.org>
Date: Mon, 2 May 2016 11:39:18 -0400
Subject: [PATCH] Item13897: Fixed invalidTopic being referenced directly on
 $app

---
 core/lib/Foswiki/UI.pm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/lib/Foswiki/UI.pm b/core/lib/Foswiki/UI.pm
index e43d9509cb..c1ac092129 100644
--- a/core/lib/Foswiki/UI.pm
+++ b/core/lib/Foswiki/UI.pm
@@ -463,14 +463,14 @@ sub checkTopicExists {
     my $app = $this->app;
     $op //= $app->request->action;
 
-    if ( $app->invalidTopic ) {
+    if ( $app->request->invalidTopic ) {
         throw Foswiki::OopsException(
             'accessdenied',
             status => 404,
             def    => 'invalid_topic_name',
             web    => $web,
             topic  => $topic,
-            params => [ $op, $app->invalidTopic ]
+            params => [ $op, $app->request->invalidTopic ]
         );
     }