title: Facebook Login error: Can't Load URL: The domain of this URL isn't included in the app's domains
body: <p>Users on my site can login with Facebook from this page: <a href="https://www.wonderweddings.com/login" rel="nofollow noreferrer">https://www.wonderweddings.com/login</a></p>
  
  <p>However, I'm getting the error</p>
  
  <blockquote>
    <p>Can't Load URL: The domain of this URL isn't included in the app's domains. To be able to load this URL, add all domains and subdomains of your app to the App Domains field in your app settings.</p>
  </blockquote>
  
  <p>I checked these posts to see what I could do:<br>
  <a href="https://stackoverflow.com/questions/49412342/how-to-turn-off-use-strict-mode-for-redirect-uris-in-facebook-app">How to turn off &quot;Use Strict Mode for Redirect URIs&quot; in facebook app</a><br>
  <a href="https://stackoverflow.com/questions/37063685/facebook-oauth-the-domain-of-this-url-isnt-included-in-the-apps-domain">Facebook OAuth &quot;The domain of this URL isn&#39;t included in the app&#39;s domain&quot;</a></p>
  
  <p>So I added what I thought were all possible URLs, but I keep getting the same error. Whether I disable or enable "Enforce HTTPS" does not matter. I also tried with "Embedded Browser OAuth Login" enabled and disabled.</p>
  
  <pre><code>https://www.wonderweddings.com/login.aspx
  https://www.wonderweddings.com/login.aspx?loggedin=true&amp;scope=email
  https://www.wonderweddings.com/login
  https://www.wonderweddings.com/login?loggedin=true
  https://www.wonderweddings.com:443/login.aspx
  https://www.wonderweddings.com:443/login.aspx?loggedin=true&amp;scope=email
  https://www.wonderweddings.com:443/login
  https://www.wonderweddings.com:443/login?loggedin=true
  </code></pre>
  
  <p>I also tested if appId or app secret was changed due to saving, but that is not the case either.</p>
  
  <p>I have a copy of this site running on another domain. This domain connects to another app, but other than that has similar settings, only this other app still has the setting "Use Strict Mode for Redirect URIs" disabled. There my code works perfectly. So I'm sure it's something I'm missing on Facebook with these settings.</p>
  
  <p>My settings:
  <a href="https://i.stack.imgur.com/zrVNB.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zrVNB.jpg" alt="enter image description here"></a></p>
  
  <p>What else can I try?</p>