Title: Fatal error
Last modified: December 12, 2023

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# Fatal error

 *  Resolved [Jan](https://wordpress.org/support/users/expan/)
 * (@expan)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-4589/)
 * Hello,
   After updating buddypress from version 11.4.0 to 12.0.0 there was a problem.
 * **Fatal error**: Uncaught Error: Call to undefined function youzify_is_wall_posting_form_active()
 * wp-content/plugins/youzify/includes/public/templates/activity/post-form.php on
   line 9

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

 *  [walldyney](https://wordpress.org/support/users/walldyney/)
 * (@walldyney)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-4589/#post-17271329)
 * I also have this problem, I had to install the BP Classic plugin
 *  Thread Starter [Jan](https://wordpress.org/support/users/expan/)
 * (@expan)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-4589/#post-17272729)
 * [@walldyney](https://wordpress.org/support/users/walldyney/) Thanks for the advice.
 *  Plugin Support [Youzify](https://wordpress.org/support/users/kainelabsteam/)
 * (@kainelabsteam)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-4589/#post-17273081)
 * Hello [@expan](https://wordpress.org/support/users/jaroslawistok/),
 * Thank you for reaching us
 * Yes, BuddyPress makes some major changes with this version where it makes some
   issues with our products. We are working to fix this, however for a temporary
   solution, you can install the BP Classic.
 * Thank you [@walldyney](https://wordpress.org/support/users/walldyney/) for helping
   answer the question.
 * Best Regards, KaineLabs Team
 *  Thread Starter [Jan](https://wordpress.org/support/users/expan/)
 * (@expan)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-4589/#post-17273297)
 * Hello [@kainelabsteam](https://wordpress.org/support/users/kainelabsteam/)
 * Thank you for the info, you can close this topic.
 *  Plugin Support [Youzify](https://wordpress.org/support/users/kainelabsteam/)
 * (@kainelabsteam)
 * [2 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-4589/#post-17273363)
 * You’re welcome. 🙂
 * Best Regards, KaineLabs Team.

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

The topic ‘Fatal error’ is closed to new replies.

 * ![](https://ps.w.org/youzify/assets/icon-256x256.png?rev=2487434)
 * [Youzify – BuddyPress Community, User Profile, Social Network & Membership Plugin for WordPress](https://wordpress.org/plugins/youzify/)
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 * 5 replies
 * 3 participants
 * Last reply from: [Youzify](https://wordpress.org/support/users/kainelabsteam/)
 * Last activity: [2 years, 6 months ago](https://wordpress.org/support/topic/fatal-error-4589/#post-17273363)
 * Status: resolved