Title: Uncaught InvalidArgumentException: The group “Array” does not exist.
Last modified: June 3, 2026

---

# Uncaught InvalidArgumentException: The group “Array” does not exist.

 *  Resolved [7thcircle](https://wordpress.org/support/users/7thcircle/)
 * (@7thcircle)
 * [4 days, 23 hours ago](https://wordpress.org/support/topic/uncaught-invalidargumentexception-the-group-array-does-not-exist/)
 * [03-Jun-2026 16:09:09 UTC] PHP Warning: Array to string conversion in /var/www/
   example.com/htdocs/wp-content/plugins/fluent-crm/vendor/woocommerce/action-scheduler/
   classes/data-stores/ActionScheduler_DBStore.php on line 973
   [03-Jun-2026 16:09:
   09 UTC] PHP Fatal error: Uncaught InvalidArgumentException: The group “Array”
   does not exist. in /var/www/example.com/htdocs/wp-content/plugins/fluent-crm/
   vendor/woocommerce/action-scheduler/classes/data-stores/ActionScheduler_DBStore.
   php:972Stack trace: 0 /var/www/example.com/htdocs/wp-content/plugins/fluent-crm/
   vendor/woocommerce/action-scheduler/classes/data-stores/ActionScheduler_DBStore.
   php(861): ActionScheduler_DBStore->claim_actions() 1 /var/www/example.com/htdocs/
   wp-content/plugins/fluent-crm/vendor/woocommerce/action-scheduler/classes/ActionScheduler_QueueRunner.
   php(179): ActionScheduler_DBStore->stake_claim() 2 /var/www/example.com/htdocs/
   wp-content/plugins/fluent-crm/vendor/woocommerce/action-scheduler/classes/ActionScheduler_QueueRunner.
   php(158): ActionScheduler_QueueRunner->do_batch() 3 /var/www/example.com/htdocs/
   wp-includes/class-wp-hook.php(341): ActionScheduler_QueueRunner->run() 4 /var/
   www/example.com/htdocs/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters()
   5 /var/www/example.com/htdocs/wp-includes/plugin.php(570): WP_Hook->do_action()
   6 /home/digitallega19711/home/digitallega19711/.wp-cli/packages/vendor/wp-cli/
   cron-command/src/Cron_Event_Command.php(358): do_action_ref_array() 7 /home/digitallega19711/
   home/digitallega19711/.wp-cli/packages/vendor/wp-cli/cron-command/src/Cron_Event_Command.
   php(238): Cron_Event_Command::run_event() 8 [internal function]: Cron_Event_Command-
   >run() 9 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Dispatcher/
   CommandFactory.php(100): call_user_func() 10 [internal function]: WP_CLI\Dispatcher\
   CommandFactory::WP_CLI\Dispatcher{closure}() 11 phar:///usr/local/bin/wp/vendor/
   wp-cli/wp-cli/php/WP_CLI/Dispatcher/Subcommand.php(497): call_user_func() 12 
   phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(470): WP_CLI\
   Dispatcher\Subcommand->invoke() 13 phar:///usr/local/bin/wp/vendor/wp-cli/wp-
   cli/php/WP_CLI/Runner.php(493): WP_CLI\Runner->run_command() 14 phar:///usr/local/
   bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Runner.php(1295): WP_CLI\Runner->run_command_and_exit()
   15 phar:///usr/local/bin/wp/vendor/wp-cli/wp-cli/php/WP_CLI/Bootstrap/LaunchRunner.
   php(28): WP_CLI\Runner->start() 16 phar:///usr/local/bin/wp/vendor/wp-cli/wp-
   cli/php/bootstrap.php(84): WP_CLI\Bootstrap\LaunchRunner->process() 17 phar:///
   usr/local/bin/wp/vendor/wp-cli/wp-cli/php/wp-cli.php(35): WP_CLI\bootstrap() 
   18 phar:///usr/local/bin/wp/php/boot-phar.php(20): include(‘…’) 19 /usr/local/
   bin/wp(4): include(‘…’) 20 {main}
 * thrown in /var/www/example.com/htdocs/wp-content/plugins/fluent-crm/vendor/woocommerce/
   action-scheduler/classes/data-stores/ActionScheduler_DBStore.php on line 972

Viewing 1 replies (of 1 total)

 *  Thread Starter [7thcircle](https://wordpress.org/support/users/7thcircle/)
 * (@7thcircle)
 * [4 days, 22 hours ago](https://wordpress.org/support/topic/uncaught-invalidargumentexception-the-group-array-does-not-exist/#post-18927871)
 * Cancel this. It appears to be a WooCommerce issue.

Viewing 1 replies (of 1 total)

You must be [logged in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Funcaught-invalidargumentexception-the-group-array-does-not-exist%2F%3Foutput_format%3Dmd&locale=en_US)
to reply to this topic.

 * ![](https://ps.w.org/fluent-crm/assets/icon.svg?rev=2390407)
 * [FluentCRM - Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution](https://wordpress.org/plugins/fluent-crm/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/fluent-crm/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/fluent-crm/)
 * [Active Topics](https://wordpress.org/support/plugin/fluent-crm/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/fluent-crm/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/fluent-crm/reviews/)

 * 1 reply
 * 1 participant
 * Last reply from: [7thcircle](https://wordpress.org/support/users/7thcircle/)
 * Last activity: [4 days, 22 hours ago](https://wordpress.org/support/topic/uncaught-invalidargumentexception-the-group-array-does-not-exist/#post-18927871)
 * Status: resolved