Title: Javascript Error
Last modified: January 14, 2023

---

# Javascript Error

 *  [barellano](https://wordpress.org/support/users/barellano/)
 * (@barellano)
 * [3 years, 4 months ago](https://wordpress.org/support/topic/javascript-error-221/)
 * I’m using this plugin along with WP Courseware course builder. When the ARVE 
   plugin is enabled, I’m unable to use the course builder. I get a couple of Javascript
   errors:
 * ReferenceError: sectionsDisplayed is not defined
 * TypeError: querySelectorAll is not a function

The topic ‘Javascript Error’ is closed to new replies.

 * ![](https://ps.w.org/advanced-responsive-video-embedder/assets/icon-128x128.png?
   rev=3338557)
 * [Advanced Responsive Video Embedder for Rumble, Odysee, YouTube, Vimeo, Kick ...](https://wordpress.org/plugins/advanced-responsive-video-embedder/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/advanced-responsive-video-embedder/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/advanced-responsive-video-embedder/)
 * [Active Topics](https://wordpress.org/support/plugin/advanced-responsive-video-embedder/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/advanced-responsive-video-embedder/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/advanced-responsive-video-embedder/reviews/)

 * 0 replies
 * 1 participant
 * Last reply from: [barellano](https://wordpress.org/support/users/barellano/)
 * Last activity: [3 years, 4 months ago](https://wordpress.org/support/topic/javascript-error-221/)
 * Status: not a support question