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VideoBackgroundPro is not defined

If you are experiencing the following error:

ReferenceError: VideoBackgroundPro is not defined

It means that the plugin's main script is not being loaded. This can happen for a number of reasons, usually when using optimizing plugins, or caching plugins.

Autoptimize Conflict Fix​

If you are using Autoptimize, and you are experiencing the ReferenceError message in the console, you may need to exclude the Video Background Pro scripts from Autoptimize.

Navigate to WordPress Admin > Settings > Autoptimize, and find the Exclude scripts from Autoptimize input field. You should see something like this in the field:

wp-includes/js/dist/, wp-includes/js/tinymce/, js/jquery/jquery.js

You'll want to include the VideoBackgroundPro.js script in the field. Update the field to:

wp-includes/js/dist/, wp-includes/js/tinymce/, js/jquery/jquery.js, wp-content/plugins/video-background-pro/dist/VideoBackgroundPro.js

Finally, be sure to click the button at the bottom Save Changes and Empty Cache

Another cause of this issue could be that your theme does not call wp_footer(). This is critical for any theme, as most plugins use this hook to enqueue scripts, styles, etc.

You may see this if you have built your own theme and forgot to call wp_footer() in your footer.php file.