Title: Fatal error on site
Last modified: December 30, 2020

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# Fatal error on site

 *  [nico25](https://wordpress.org/support/users/nico25/)
 * (@nico25)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/help-me-128/)
 * My site is an error:
 *     ```
       Fatal error: Uncaught Error: Call to undefined function array_key_first() in /web/htdocs/www.desearq.com/home/studioarchitetturamilano/wp-content/plugins/insta-gallery/includes/controllers/BlockController.php:60 Stack trace: #0 /web/htdocs/www.desearq.com/home/studioarchitetturamilano/wp-content/plugins/insta-gallery/includes/controllers/BlockController.php(19): QLIGG_Block_Controller->get_attributes() #1 /web/htdocs/www.desearq.com/home/studioarchitetturamilano/wp-content/plugins/insta-gallery/includes/controllers/BlockController.php(116): QLIGG_Block_Controller->init() #2 /web/htdocs/www.desearq.com/home/studioarchitetturamilano/wp-content/plugins/insta-gallery/includes/controllers/BlockController.php(122): QLIGG_Block_Controller::instance() #3 /web/htdocs/www.desearq.com/home/studioarchitetturamilano/wp-content/plugins/insta-gallery/includes/backend.php(38): include_once('/web/htdocs/www...') #4 /web/htdocs/www.desearq.com/home/studioarchitetturamilano/wp-content/plugins/insta-gallery/includes/backend.php(13): QLIGG_Ba in /web/htdocs/www.desearq.com/home/studioarchitetturamilano/wp-content/plugins/insta-gallery/includes/controllers/BlockController.php on line 60
       There has been a critical error on your website.
       ```
   
 * HELP ME PLEASE
    -  This topic was modified 5 years, 4 months ago by [Yui](https://wordpress.org/support/users/fierevere/).
      Reason: renamed topic, not informative name
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fhelp-me-128%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

 *  [Riddhi Shukla](https://wordpress.org/support/users/ridhimashukla/)
 * (@ridhimashukla)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/help-me-128/#post-13847403)
 * Hello,
 * Thank you for reaching us…
 * Please go to your FTP and change folder/file name once which you adding lastly.
 * Also, you can check the error log if it’s on and share it with us. So I can able
   to check and debug it for you.
 * Thank You!
    -  This reply was modified 5 years, 4 months ago by [Riddhi Shukla](https://wordpress.org/support/users/ridhimashukla/).
    -  This reply was modified 5 years, 4 months ago by [Riddhi Shukla](https://wordpress.org/support/users/ridhimashukla/).
 *  [Olga Gleckler](https://wordpress.org/support/users/oglekler/)
 * (@oglekler)
 * [5 years, 4 months ago](https://wordpress.org/support/topic/help-me-128/#post-13847416)
 * Which version of PHP are you using? You need 7.3 or higher for the function ‘
   array_key_first’ used by this ‘insta-gallery’ plugin.
 * If you cannot switch PHP to 7.3, disable ‘insta-gallery’ plugin, you can do it
   manually from FTP by renaming its folder in ‘/wp-content/plugins/’:
 * [https://wordpress.org/support/article/managing-plugins/#manual-uninstallation](https://wordpress.org/support/article/managing-plugins/#manual-uninstallation)

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

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

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 2 replies
 * 3 participants
 * Last reply from: [Olga Gleckler](https://wordpress.org/support/users/oglekler/)
 * Last activity: [5 years, 4 months ago](https://wordpress.org/support/topic/help-me-128/#post-13847416)
 * Status: not resolved

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