Help needed: The preview was unresponsive after loading

Hello there!
We’ve been having the Cornerstone issue “The preview was unresponsive after loading. This is most often related to a plugin conflict or aggressive page cacheing.”
I tried removing the cache, but it doesn’t seem to work…

This impact two of our websites: http://northgard.net and http://darksburg.com
Would you have any idea of how we could solve this issue?

Many thanks,

Adrien

Hi Adrien,

There might be some plugins that are causing the issue. To check that, please try testing for a plugin conflict. You can do this by deactivating all third party plugins, and seeing if the problem remains. If it’s fixed, you’ll know a plugin caused the problem, and you can narrow down which one by reactivating them one at a time.

If the issue persists, you might need to have the PHP memory limit of your site increased.

To do this, please edit your wp-config.php file and insert these lines:

    define( 'WP_MEMORY_LIMIT', '256M' );
    define( 'WP_MAX_MEMORY_LIMIT', '512M' );

You can add it before the line
/*That's all, stop editing! Happy Blogging. */

Here is a details article about the PHP Memory Limit that is in our Knowledge Base:

In case the issue persists, please try to get in touch with your hosting provider and confirm to them that your PHP memory limit is increased.

If you are still having an issue, please provide us with the admin details of your site in a Secure Note so that we can check this further.

Hey!
Thanks a lot for your quick reply. We tried what you suggested, but it did not work.
I spent some time searching for an explanation, do you think the update of WP to its 5.3.2 version could be the reason causing this bug?
We also updated the X theme and Cornerstone to their latest version.

Let me know!

Thanks a lot,
Adrien

Hello Adrien,

Please go to X > Status. Copy the results and paste it in your next reply. Or if you wouldn’t mind, kindly provide us access to your site so that we can check your settings and investigate further. Please create a secure note with the following info:
– Link to your site
– WordPress Admin username / password

To know how to create a secure note, please check this out: https://theme.co/apex/forum/t/how-to-get-support/288

Regards.

Hello there,

You’ll find everything needed in the Secure Note below.
Also, the result of the status report:

Site

Site URL - http://northgard.net
Home URL - http://northgard.net

WordPress Environment

Version - 5.3.2
Debug is on - No
Language - en_US
Is Multisite - No
Memory Limit - 256M

Web Server Configuration

Software - Apache/2.4.29
PHP Version - 7.2.19-0ubuntu0.18.04.2
MySQL Version - 5.7.27-0ubuntu0.18.04.1

PHP Configuration

Post Max Size - 8M
Time Limit - 30s
Max Upload Size - 2M

Active Theme

Name - X – Child Theme
Version - 7.1.2
Folder - //data/northgard/wp-content/themes/x-child/
Parent Theme Name - X
Parent Theme Version - 7.1.2
Parent Theme Folder - /data/northgard/wp-content/themes/x
Cornerstone Status - Enabled
Cornerstone Version - 4.1.2

Active Plugins

  • Cornerstone 4.1.2
  • Duplicate Page and Post 2.5.6
  • Essential Addons for Cornerstone 1.4.1
  • GA Google Analytics 20191109
  • Sendinblue Subscribe Form And WP SMTP 2.9.11
  • Wise Builds cURL Options 1.1.3
  • Responsive Lightbox & Gallery 2.2.2
  • Slider Revolution 6.1.8
  • Sender.net Automated Emails 1.0.5
  • The Grid 2.7.4
  • WPForms 1.5.8.2

CDN

Click this button to check what CDN this site is using. - Check CDN

Hey Adrien,

Thanks for providing the credentials. The cause of the issue is script conflict with Slider Revolution. Turning off Include libraries globally option in Slider Revolution’s Global Settings fixed the issue.

Hope that helps.

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