Problem Fixing

If you use optimize plugin, it may cause problem to display the slider.

Fix 1: #

You can exclude this plugin from optimization.

Don’t worry, this plugin is well optimized.

Also, exclude ‘siteurl/wp-includes/js/dist/element.min.js’ js from optimize.

Fix 2: #

If you still have problem, exclude ‘siteurl/wp-includes/js/dist/’ as well as the plugin.