From 11aebe2e0500cee6a89e6f37ae80edb78d6284f1 Mon Sep 17 00:00:00 2001
From: Pavel Dohnal <pavel@mailpoet.com>
Date: Mon, 19 Aug 2019 10:57:47 +0200
Subject: [PATCH] Fix notice

[MAILPOET-2267]
---
 lib/Cron/Workers/SendingQueue/Tasks/Links.php | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/Cron/Workers/SendingQueue/Tasks/Links.php b/lib/Cron/Workers/SendingQueue/Tasks/Links.php
index aa49664b01..6f3f0e8fe5 100644
--- a/lib/Cron/Workers/SendingQueue/Tasks/Links.php
+++ b/lib/Cron/Workers/SendingQueue/Tasks/Links.php
@@ -43,13 +43,15 @@ class Links {
     if ((boolean)$settings->get('tracking.enabled')) {
       $link_hash = NewsletterLinkModel::where('queue_id', $queue->id)
         ->where('url', '[link:subscription_unsubscribe_url]')
-        ->findOne()
-        ->hash;
+        ->findOne();
+      if (!$link_hash instanceof NewsletterLinkModel) {
+        return '';
+      }
       $data = NewsletterLinks::createUrlDataObject(
         $subscriber->id,
         $subscriber->email,
         $queue->id,
-        $link_hash,
+        $link_hash->hash,
         false
       );
       $url = Router::buildRequest(