Title: Deactivating plugin cause fatal error
Last modified: September 9, 2026

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# Deactivating plugin cause fatal error

 *  [raalknz](https://wordpress.org/support/users/raalknz/)
 * (@raalknz)
 * [1 week, 2 days ago](https://wordpress.org/support/topic/deactivating-plugin-cause-fatal-error/)
 * See bellow :
 * wp-cli plugin deactivate crowdsec
 * thrown in /var/www/html/public/wp-content/plugins/crowdsec/inc/plugin-setup.php
   on line 90
   Fatal error: Uncaught Error: Call to undefined function clearBouncerCacheInAdminPage()
   in /var/www/html/public/wp-content/plugins/crowdsec/inc/plugin-setup.php:90Stack
   trace: 0 /var/www/html/public/wp-includes/class-wp-hook.php(341): deactivate_crowdsec_plugin()
   1 /var/www/html/public/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters()
   2 /var/www/html/public/wp-includes/plugin.php(522): WP_Hook->do_action() 3 /var/
   www/html/public/wp-admin/includes/plugin.php(826): do_action() 4 phar:///var/
   www/html/scripts/wp-cli/vendor/wp-cli/extension-command/src/Plugin_Command.php(
   476): deactivate_plugins() 5 [internal function]: Plugin_Command->deactivate()
   6 phar:///var/www/html/scripts/wp-cli/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/
   CommandFactory.php(100): call_user_func() 7 [internal function]: WP_CLI\Dispatcher\
   CommandFactory::WP_CLI\Dispatcher{closure}() 8 phar:///var/www/html/scripts/wp-
   cli/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/Subcommand.php(497): call_user_func()
   9 phar:///var/www/html/scripts/wp-cli/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.
   php(470): WP_CLI\Dispatcher\Subcommand->invoke() 10 phar:///var/www/html/scripts/
   wp-cli/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(493): WP_CLI\Runner->run_command()
   11 phar:///var/www/html/scripts/wp-cli/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.
   php(1295): WP_CLI\Runner->run_command_and_exit() 12 phar:///var/www/html/scripts/
   wp-cli/vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/LaunchRunner.php(28): WP_CLI\
   Runner->start() 13 phar:///var/www/html/scripts/wp-cli/vendor/wp-cli/wp-cli/php/
   bootstrap.php(84): WP_CLI\Bootstrap\LaunchRunner->process() 14 phar:///var/www/
   html/scripts/wp-cli/vendor/wp-cli/wp-cli/php/wp-cli.php(35): WP_CLI\bootstrap()
   15 phar:///var/www/html/scripts/wp-cli/php/boot-phar.php(20): include(‘phar:///
   var/www…’) 16 /var/www/html/scripts/wp-cli(4): include(‘phar:///var/www…’) 17{
   main}
 * thrown in /var/www/html/public/wp-content/plugins/crowdsec/inc/plugin-setup.php
   on line 90

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 * ![](https://ps.w.org/crowdsec/assets/icon-256x256.png?rev=2456257)
 * [CrowdSec](https://wordpress.org/plugins/crowdsec/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/crowdsec/#faq)
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## Tags

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

 * 0 replies
 * 1 participant
 * Last reply from: [raalknz](https://wordpress.org/support/users/raalknz/)
 * Last activity: [1 week, 2 days ago](https://wordpress.org/support/topic/deactivating-plugin-cause-fatal-error/)
 * Status: not resolved