Title: Website down after installing plugin
Last modified: August 10, 2020

---

# Website down after installing plugin

 *  [umairmashfaq](https://wordpress.org/support/users/umairmashfaq/)
 * (@umairmashfaq)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/website-down-after-installing-plugin/)
 * Warning: array_keys() expects parameter 1 to be array, null given in /home/bdmotor/
   public_html/wp-content/plugins/auto-listings/src/Upgrade/Ver2.php on line 15
 * Warning: array_walk() expects parameter 1 to be array, null given in /home/bdmotor/
   public_html/wp-content/plugins/auto-listings/src/Upgrade/Ver2.php on line 16
 * Fatal error: Uncaught Error: Call to a member function add_cap() on null in /
   home/bdmotor/public_html/wp-content/plugins/auto-listings/src/Upgrade/Ver2.php:
   19 Stack trace: #0 /home/bdmotor/public_html/wp-content/plugins/auto-listings/
   src/Upgrade/Ver2.php(8): AutoListings\Upgrade\Ver2->update_seller_caps() #1 /
   home/bdmotor/public_html/wp-content/plugins/auto-listings/src/Upgrade/Manager.
   php(18): AutoListings\Upgrade\Ver2->__construct() #2 /home/bdmotor/public_html/
   wp-content/plugins/auto-listings/src/Upgrade/Manager.php(6): AutoListings\Upgrade\
   Manager->upgrade() #3 /home/bdmotor/public_html/wp-content/plugins/auto-listings/
   bootstrap.php(20): AutoListings\Upgrade\Manager->__construct() #4 /home/bdmotor/
   public_html/wp-content/plugins/auto-listings/auto-listings.php(40): require(‘/
   home/bdmotor/p…’) #5 /home/bdmotor/public_html/wp-includes/class-wp-hook.php(
   287): auto_listings_load(”) #6 /home/bdmotor/public_html/wp-includes/class-wp-
   hook.php(311): WP_Hook->apply_filters(NULL, Array) #7 /home/bdmotor/public_html/
   wp-include in /home/bdmotor/public_html/wp-content/plugins/auto-listings/src/
   Upgrade/Ver2.php on line 19
 * There has been a critical error on your website. Please check your site admin
   email inbox for instructions.
 * Above are the messages being viewed, how to resolve this issue?
    -  This topic was modified 5 years, 9 months ago by [umairmashfaq](https://wordpress.org/support/users/umairmashfaq/).
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fwebsite-down-after-installing-plugin%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

 *  [Hung PD](https://wordpress.org/support/users/nhalauxehoi/)
 * (@nhalauxehoi)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/website-down-after-installing-plugin/#post-13230916)
 * Hi,
 * Please leave us a ticket on [https://wpautolistings.com/support/](https://wpautolistings.com/support/).
   That will help us manage your tickets and support you better.
 * Regards,
    Hung PD
 *  Plugin Author [autolistings](https://wordpress.org/support/users/autolistings/)
 * (@autolistings)
 * [5 years, 9 months ago](https://wordpress.org/support/topic/website-down-after-installing-plugin/#post-13230932)
 * Hi,
 * Are you updating the plugin or installing it for the first time?

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

The topic ‘Website down after installing plugin’ is closed to new replies.

 * ![](https://ps.w.org/auto-listings/assets/icon-128x128.jpg?rev=1967501)
 * [Auto Listings - Car Listings & Car Dealership Plugin for WordPress](https://wordpress.org/plugins/auto-listings/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/auto-listings/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/auto-listings/)
 * [Active Topics](https://wordpress.org/support/plugin/auto-listings/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/auto-listings/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/auto-listings/reviews/)

 * 2 replies
 * 3 participants
 * Last reply from: [autolistings](https://wordpress.org/support/users/autolistings/)
 * Last activity: [5 years, 9 months ago](https://wordpress.org/support/topic/website-down-after-installing-plugin/#post-13230932)
 * Status: not resolved