Title: Fatal error: Uncaught Error WPDB
Last modified: May 11, 2023

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# Fatal error: Uncaught Error WPDB

 *  Resolved [Veronica](https://wordpress.org/support/users/veronica1410/)
 * (@veronica1410)
 * [3 years ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-wpdb/)
 * Hi guys,
   I am writing you this message because I have a problem: I can no longer
   access the WordPress dashboard of a site I am editing. When I login, the following
   message appears:
 * Fatal error: Uncaught Error: Call to undefined method wpdb::db_server_info() 
   in D:\inetpub\webs\luiseviniit\wp-content\plugins\chatbot\qcld-wpwbot.php:124
   Stack trace: #0 D:\inetpub\webs\luiseviniit\wp-includes\class-wp-hook.php(287):
   qcld_wb_Chatbot->qcld_wpchatbot_init2_fnc(”) #1 D:\inetpub\webs\luiseviniit\wp-
   includes\class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #2 D:\inetpub\
   webs\luiseviniit\wp-includes\plugin.php(478): WP_Hook->do_action(Array) #3 D:\
   inetpub\webs\luiseviniit\wp-settings.php(540): do_action(‘init’) #4 D:\inetpub\
   webs\luiseviniit\wp-config.php(94): require_once(‘D:\inetpub\webs…’) #5 D:\inetpub\
   webs\luiseviniit\wp-load.php(37): require_once(‘D:\inetpub\webs…’) #6 D:\inetpub\
   webs\luiseviniit\wp-admin\admin.php(34): require_once(‘D:\inetpub\webs…’) #7 
   D:\inetpub\webs\luiseviniit\wp-admin\index.php(10): require_once(‘D:\inetpub\
   webs…’) #8 {main} thrown in D:\inetpub\webs\luiseviniit\wp-content\plugins\chatbot\
   qcld-wpwbot.php on line 124
 * It seems that the problem is with the Chatbot plugin, which I updated before 
   the error appeared.
 * What can I do to fix it? More importantly, what should I do? I would need specific
   directions, if possible.
   In the meantime, thank you for your help!
 * Veronica

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

 *  Plugin Author [QuantumCloud](https://wordpress.org/support/users/quantumcloud/)
 * (@quantumcloud)
 * [3 years ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-wpdb/#post-16730049)
 * Hi Veronica,
 * We are investigating this. In the meantime, please log in via FTP or cPanel file
   manager. Go to wp-contents/plugins/ folder and rename or delete the chatbot folder.
   Then you can log in to WP Admin again.
 * Thank you
 *  Thread Starter [Veronica](https://wordpress.org/support/users/veronica1410/)
 * (@veronica1410)
 * [3 years ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-wpdb/#post-16730107)
 * Hi,
 * thank you [@quantumcloud](https://wordpress.org/support/users/quantumcloud/).
   I deleted the chatbot folder.
 *  Plugin Author [QuantumCloud](https://wordpress.org/support/users/quantumcloud/)
 * (@quantumcloud)
 * [3 years ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-wpdb/#post-16730162)
 * Thank you for letting is know asap. We reverted the stable tag while investigating
   the cause of the error. I appreciate your help!
 * Regards
 *  Plugin Author [QuantumCloud](https://wordpress.org/support/users/quantumcloud/)
 * (@quantumcloud)
 * [3 years ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-wpdb/#post-16732569)
 * Hi,
 * We investigated this thoroughly and found no issue. The code in qcld-wpwbot.php:
   124 was not changed in the recent version. This code connects to your database.
   I think your database/mysql server may have gone offline for some reason at the
   time of update.
 * Thank you!
 *  Thread Starter [Veronica](https://wordpress.org/support/users/veronica1410/)
 * (@veronica1410)
 * [3 years ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-wpdb/#post-16749682)
 * Thank you [@quantumcloud](https://wordpress.org/support/users/quantumcloud/) 
   for your investigation and your explanation!

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

The topic ‘Fatal error: Uncaught Error WPDB’ is closed to new replies.

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## Tags

 * [fatal error](https://wordpress.org/support/topic-tag/fatal-error/)
 * [uncaught error](https://wordpress.org/support/topic-tag/uncaught-error/)

 * 5 replies
 * 2 participants
 * Last reply from: [Veronica](https://wordpress.org/support/users/veronica1410/)
 * Last activity: [3 years ago](https://wordpress.org/support/topic/fatal-error-uncaught-error-wpdb/#post-16749682)
 * Status: resolved