Title: Elementor 2.4
Last modified: January 14, 2019

---

# Elementor 2.4

 *  Resolved [schlomoh](https://wordpress.org/support/users/schlomoh/)
 * (@schlomoh)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/elementor-2-4/)
 * Hello Support,
 * I just updated to Elementor 2.4 and on each interaction I get these messages
 * Notice: Elementor\CSS_File is deprecated since version 2.1.0! Use Elementor\Core\
   Files\CSS\Base instead. in /home3/schlomoh/public_html/wp-includes/functions.
   php on line 4051
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home3/schlomoh/public_html/wp-includes/functions.php:4051) in /home3/schlomoh/
   public_html/wp-admin/includes/misc.php on line 1144
 * Warning: Cannot modify header information – headers already sent by (output started
   at /home3/schlomoh/public_html/wp-includes/functions.php:4051) in /home3/schlomoh/
   public_html/wp-includes/pluggable.php on line 1223
 * Do you know why that happens ?
 * Many thanks.

Viewing 5 replies - 1 through 5 (of 5 total)

 *  Plugin Author [Yakir Sitbon](https://wordpress.org/support/users/kingyes/)
 * (@kingyes)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/elementor-2-4/#post-11086570)
 * Please deactivate all other your plugin and try again.
    If you using with Elementor
   Pro, please upgrade to latest version.
 *  [Holographic](https://wordpress.org/support/users/holo-alan/)
 * (@holo-alan)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/elementor-2-4/#post-11086616)
 * Not helpful if people are using on a production site.. Yes yes I know that we
   should all test before we update a live website, but damm 2.4 produces so many
   errors on my sites it’s unreal.
 * All entrance animations stop so most content just doesn’t appear, oh and no matter
   what I do, no page is editable…
 * Oh well, roll back it is 🙂
 *  [Bainternet](https://wordpress.org/support/users/bainternet/)
 * (@bainternet)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/elementor-2-4/#post-11086698)
 * [@holo-alan](https://wordpress.org/support/users/holo-alan/)
 * Not sure why you would have WP_DEBUG activated on production, but anyway the 
   PHP notice you are getting in this case, is triggered by your theme not being
   up to date with the latest Elementor development.
 * You should notify the theme developer of the notice.
 * As you said, you can always roll back for now.
    -  This reply was modified 7 years, 8 months ago by [Bainternet](https://wordpress.org/support/users/bainternet/).
      Reason: typo
 *  [cavsusainc](https://wordpress.org/support/users/cavsusainc/)
 * (@cavsusainc)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/elementor-2-4/#post-11118764)
 * I am getting same error message from the Elementor 2.4.3.
    I cannot even roll
   back to 2.3.8 because if I do, the Elementor Pro gets deactivated. I am using
   Ocean WP theme. What is the problem?
 *  [deny06](https://wordpress.org/support/users/deny06/)
 * (@deny06)
 * [7 years, 4 months ago](https://wordpress.org/support/topic/elementor-2-4/#post-11500427)
 * Hi, I have the same problem with Ocean WP theme. Did you solve it?
    Thanks, regards.

Viewing 5 replies - 1 through 5 (of 5 total)

 The topic ‘Elementor 2.4’ is closed to new replies.

 * ![](https://ps.w.org/elementor/assets/icon-256x256.gif?rev=3444228)
 * [Elementor Website Builder - more than just a page builder](https://wordpress.org/plugins/elementor/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/elementor/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/elementor/)
 * [Active Topics](https://wordpress.org/support/plugin/elementor/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/elementor/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/elementor/reviews/)

 * 5 replies
 * 6 participants
 * Last reply from: [deny06](https://wordpress.org/support/users/deny06/)
 * Last activity: [7 years, 4 months ago](https://wordpress.org/support/topic/elementor-2-4/#post-11500427)
 * Status: resolved