From 38c2aa2d7e578982e374f85cecea22cce1137a60 Mon Sep 17 00:00:00 2001
From: Retro_Guy <retro.guy@rocksolidbbs.com>
Date: Fri, 2 Feb 2024 13:10:01 -0700
Subject: [PATCH] Finishing previous commit, verify target exists before
 creating (thread) links.

---
 Rocksolid_Light/rocksolid/overboard.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Rocksolid_Light/rocksolid/overboard.php b/Rocksolid_Light/rocksolid/overboard.php
index 50ea1eb..82f001b 100644
--- a/Rocksolid_Light/rocksolid/overboard.php
+++ b/Rocksolid_Light/rocksolid/overboard.php
@@ -342,10 +342,15 @@ function display_threads($threads, $oldest)
         $url = $thissite . "/article-flat.php?id=" . $target['number'] . "&group=" . _rawurlencode($target['newsgroup']) . "#" . $target['number'];
         echo '<p class=np_ob_subject>';
         echo '<b><a href="' . $url . '"><span>' . headerDecode($target['subject']) . '</span></a></b>';
+
+        // link for (thread), if possible
         if (isset($this_overboard['threadlink'][$value])) {
             $thread = get_data_from_msgid($this_overboard['threadlink'][$value], $target['newsgroup']);
-            echo '<font class="np_ob_group"><a href="article-flat.php?id=' . $thread['number'] . '&group=' . rawurlencode($thread['newsgroup']) . '#' . $thread['number'] . '"> (thread)</a></font>';
+            if ($thread !== false) {
+                echo '<font class="np_ob_group"><a href="article-flat.php?id=' . $thread['number'] . '&group=' . rawurlencode($thread['newsgroup']) . '#' . $thread['number'] . '"> (thread)</a></font>';
+            }
         }
+
         echo '</p>';
         echo '</p><p class=np_ob_group>';
         echo '<a href="' . $groupurl . '"><span class="visited">' . $target['newsgroup'] . '</span></a>';