title: Magento 1.9.2.1 Paypal Express Checkout
body: <p>I have been working to move my production site to 1.9.2.1, so I upgraded my staging site and everything went seamlessly. Granted I am not a huge fan of the new email template and having to use a cron job to send emails (which was another problem I already solved). </p>
  
  <p>After upgrading staging to 1.9.2.1, I went to <code>System -&gt; Configuration -&gt; SALES -&gt; Payment Methods</code> and immediately a popup window appears (shown below). </p>
  
  <p><a href="https://i.stack.imgur.com/aImPb.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/aImPb.jpg" alt="Screenshot"></a></p>
  
  <p>After receiving this error, I tried to re-enable my Paypal Payments Pro (Express Checkout) but it was already enabled. So I try to Save Configuration and when the page reloads the popup appears again. </p>
  
  <p>I also tried to re-enter my API Settings with no luck.</p>
  
  <p>Note: Before I went to <code>System -&gt; Configuration -&gt; SALES -&gt; Payment Methods</code> my Paypal Express Checkout button was showing as usual. But now after travelling to Payment Methods, the button is not showing anymore. Unfortunately, I did not have a chance to test to see if it functioned before I went to Payment Methods. </p>
  
  <p>Has anyone else had this issue when upgrading from 1.8.1 (or any version) to 1.9.2.1? If so would you kindly respond with a fix, or point me in the right direction? If you need any more information, I would be happy to assist.</p>