Title: Activate plugin problem
Last modified: April 25, 2020

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# Activate plugin problem

 *  Resolved [k0ev](https://wordpress.org/support/users/k0ev/)
 * (@k0ev)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/activate-plugin-problem/)
 * Hi
 * After activation plugin my website down and in debug log I see
 * `
    [25-Apr-2020 17:36:22 UTC] PHP Fatal error: Uncaught Error: Call to a member
   function mkdir() on null in /opt/bitnami/apache2/htdocs/LookAtIsrael.com/wp-content/
   plugins/ultimate-addons-for-gutenberg/classes/class-uagb-helper.php:1406 Stack
   trace: #0 /opt/bitnami/apache2/htdocs/LookAtIsrael.com/wp-content/plugins/ultimate-
   addons-for-gutenberg/classes/class-uagb-helper.php(1443): UAGB_Helper::get_upload_dir()#
   1 /opt/bitnami/apache2/htdocs/LookAtIsrael.com/wp-content/plugins/ultimate-addons-
   for-gutenberg/classes/class-uagb-helper.php(1481): UAGB_Helper::get_asset_info(
   NULL, 'css', 1587836182) #2 /opt/bitnami/apache2/htdocs/LookAtIsrael.com/wp-content/
   plugins/ultimate-addons-for-gutenberg/classes/class-uagb-helper.php(700): UAGB_Helper::
   file_write(NULL, 'css') #3 /opt/bitnami/apache2/htdocs/LookAtIsrael.com/wp-includes/
   class-wp-hook.php(287): UAGB_Helper->generate_stylesheet(Object(WP)) #4 /opt/
   bitnami/apache2/htdocs/LookAtIsrael.com/wp-includes/class-wp-hook.php(311): WP_Hook-
   >apply_filters(NULL, Array) \` I have latest version of WP and Plugin
    -  This topic was modified 6 years, 1 month ago by [k0ev](https://wordpress.org/support/users/k0ev/).

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Thread Starter [k0ev](https://wordpress.org/support/users/k0ev/)
 * (@k0ev)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/activate-plugin-problem/#post-12731031)
 * I think I found solution
    it was ermission issue
 *  Plugin Support [Team Brainstorm Force](https://wordpress.org/support/users/brainstormteam/)
 * (@brainstormteam)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/activate-plugin-problem/#post-12736101)
 * Perfect, [@k0ev](https://wordpress.org/support/users/k0ev/)
 * Glad that the issue has been resolved. 🙂
 * Do let us know if there’s anything else we can help you with.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Activate plugin problem’ is closed to new replies.

 * ![](https://ps.w.org/ultimate-addons-for-gutenberg/assets/icon-256x256.gif?rev
   =3240412)
 * [Spectra Gutenberg Blocks – Website Builder for the Block Editor](https://wordpress.org/plugins/ultimate-addons-for-gutenberg/)
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 * 2 replies
 * 2 participants
 * Last reply from: [Team Brainstorm Force](https://wordpress.org/support/users/brainstormteam/)
 * Last activity: [6 years, 1 month ago](https://wordpress.org/support/topic/activate-plugin-problem/#post-12736101)
 * Status: resolved